The Open Diabetes Journal




ISSN: 1876-5246 ― Volume 9, 2019
RESEARCH ARTICLE

Impact of Self-monitoring of Blood Glucose on Glycaemic Control in Type 2 Diabetic Nigerians who Reside in Lagos



Olufunmilayo Adeleye1, *, Anthonia Ogbera1, Ejiofor Ugwu2, Ayodeji Brodie-Mends1
1 Department of Medicine, Lagos State University Teaching Hospital, 1-5 OBA AKINJOBI WAY, IKEJA, Lagos, Nigeria
2 College of Medicine, Enugu State University of Technology, GRA, Enugu, Nigeria

Abstract

Background:

Self-Monitoring of Blood Glucose (SMBG) is a vital constituent of diabetes care. The aim of this study was to document the practice, determinants and effects of SMBG in our setting.

Methods:

A cross-sectional study was carried out on 249 adult type 2 diabetic subjects who attended the diabetes clinic of the Lagos State University Teaching Hospital Ikeja. The statistical analysis was done with independent t-test and logistic regression. A P-value of less than 0.05 was taken as significant.

Results:

The age of the study subjects ranged from 28 years to 87 years. The mean + S.D age is 62 + 11 years. The mean + S.D BMI of the study subjects is 27.79 + 4.73 Kgm2. 159 (64%) of the patients practised SMBG while 90 (36%) patients did not. Twenty-two (14%) of the patients have been practising SMBG for less than 12 months, 71 (46%) patients for 12 - 36 months, while 60 (39%) of them for more than 36 months. 36 (23%) of the patients did SMBG daily, 58 (37%) patients twice weekly, 48 (30%) patients weekly, 11 (7%) patients monthly, 5 (3%) patients did it for unspecified time period while 1 (1%) patient was unable to report the time period. SMBG practice was associated with better short term glycemic control P= < 0.001, OR= 0.399 and 95% CI 0.229-0.693. Predictors of SMBG were male sex, higher socioeconomic status and insulin therapy. More male patients (72.7%) practice SMBG compared to female patients (59.9%) p-value 0.051. The detection of chronic complications of DM was comparable between those who practice SMBG and those who do not.

Conclusion:

SMBG practice is significantly associated with better short term glycaemic control.

Keywords: Self-monitoring, Blood glucose, Glycaemic control, Complications, Type 2 diabetes mellitus, Triglyceride.


Article Information


Identifiers and Pagination:

Year: 2019
Volume: 9
First Page: 1
Last Page: 7
Publisher Id: TODIAJ-9-1
DOI: 10.2174/1876524601909010001

Article History:

Received Date: 28/12/2018
Revision Received Date: 16/03/2019
Acceptance Date: 02/04/2019
Electronic publication date: 30/04/2019
Collection year: 2019

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© 2019 Adeleye et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Department of Medicine, Lagos State University Teaching Hospital, 1-5 OBA AKINJOBI WAY, IKEJA, Lagos, Nigeria; Tel: 2348023796170; E-mail: funmiadeleye2004@yahoo.com




1. INTRODUCTION

The rising global prevalence of Type 2 Diabetes Mellitus (T2DM) requires concerted efforts at identifying and promoting measures that can mitigate the burden. Self-monitoring of Blood Glucose (SMBG) has been identified to be an effective self-management tool in non-insulin-treated diabetic subjects [1Guideline on self-Monitoring of blood glucose in Non-Insulin treated type 2 diabetes. International diabetes federation 2009.]. The usefulness of SMBG includes the provision of support to enhance diabetes care programme, nurture inclusiveness and share decision taking between healthcare providers and patients as well as help to provide individually tailored advice about blood glucose lowering medication [1Guideline on self-Monitoring of blood glucose in Non-Insulin treated type 2 diabetes. International diabetes federation 2009.]. The impact of SMBG on glycaemic control and the presence of complications in non-insulin treated study subjects were debatable [2Parsons S, Luzio S, Bain S, et al. Self-monitoring of blood glucose in non-insulin treated type 2 diabetes (The SMBG Study): Study protocol for a randomised controlled trial. BMC Endocr Disord 2017; 17(1): 4.[http://dx.doi.org/10.1186/s12902-017-0154-x] [PMID: 28143495] -4Mayor S. Glucose self monitoring may not improve control in non-insulin treated type 2 diabetes. BMJ 2017; 357: j2832.[http://dx.doi.org/10.1136/bmj.j2832] ]. Nonetheless, some studies have demonstrated the positive impact of structured SMBG on glycaemic control [5Polonsky WH, Fisher L, Schikman CH, et al. Structured self-monitoring of blood glucose significantly reduces A1C levels in poorly controlled, noninsulin-treated type 2 diabetes: Results from the Structured Testing Program study. Diabetes Care 2011; 34(2): 262-7.[http://dx.doi.org/10.2337/dc10-1732] [PMID: 21270183] , 6Karter AJ, Ackerson LM, Darbinian JA, et al. Self-monitoring of blood glucose levels and glycemic control: The northern california kaiser permanente diabetes registry. Am J Med 2001; 111(1): 1-9.[http://dx.doi.org/10.1016/S0002-9343(01)00742-2] [PMID: 11448 654] ]. The current guidelines recommend SMBG prescription as part of the broad educational program. This may, however, be hampered by cost, especially in a resource challenged setting. The few available observational studies on SMBG in Nigeria suggest that about half of the population of diabetic patients have less practiced SMBG [7Ugwu ET, Orjioke CJ, Young EE. Self monitoring of blood glucose among patients with type 2 diabetes mellitus in eastern nigeria: Need for multi-strategic interventions. Curr Diabetes Rev 2016.[PMID: 27758706] -10Islam FMA, Chakrabarti R, Dirani M, et al. Knowledge, attitudes and practice of diabetes in rural Bangladesh: The Bangladesh Population based Diabetes and Eye Study (BPDES). PLoS One 2014; 9(10): e110368.[http://dx.doi.org/10.1371/journal.pone.0110368] [PMID: 25313643] ]. If the practice of SMBG would result in better glycaemic control in type 2 diabetic patients in Nigeria, it remains to be established. Beyond this assertion, does SMBG impact chronic diabetic complications among our patients? Thus, the aims of our study are to, 1) Document the percentage of study subjects who practice SMBG, 2) Identify the impact of SMBG practice on glycaemic control using the glycosylated haemoglobin (HbA1c) values and Fasting blood glucose, 3) Document the predictors of SMBG and 4) Document the relationship between SMBG practice and the presence of chronic diabetic complications.

2. METHODS

Study design and Participants: The study was designed as a cross-sectional observational study, which was carried out at the Diabetes Clinic of the Lagos State University Teaching Hospital (LASUTH), located in the cosmopolitan city of Lagos, Nigeria, from January to June 2016. An average of eighty type 2 diabetic patients are seen on each clinic day, which runs twice a week.

The research protocol and procedures were approved by the LASUTH Health Research and Ethics Committee. Two hundred and sixty (260) type 2 diabetic patients who gave their informed consent in writing were recruited by systematic random sampling on each day of the clinic. We excluded people with serious comorbidities, such as cancer, people with renal replacement therapy, sickle cell disease and pregnant women. However, 249 had complete information in the case records.

2.1. Measurements and Data Collection

Demographic information and participants’ diabetes history were obtained by questionnaires administered by the interviewer; the practice of SMBG, including the frequency of monitoring, was sought, while other relevant clinical information was obtained from participants’ case records. The evidence of chronic complications was extracted from case records.

2.2. Laboratory Investigations

10 millilitres of fasting blood samples were collected from participants on arrival at the clinic and sent to the laboratory within LASUTH where analysis for glucose (using glucose oxidase method) and lipids was carried out on the same day. Total cholesterol assay was done using a modified method of Liebermann-Burchard. The high-density lipoprotein was estimated by precipitation method. Low-density lipoprotein calculation was done using Friedwald’s formula. Triglyceride (TG) with a kit was estimated with a kit using enzymatic hydrolysis of TG with lipases. Glycosylated hemoglobin was assayed using a fully automated boronate affinity assay for the determination of the percentage of hemoglobin A1C (HbA1c %) in whole blood.

Data collated was analyzed using SPSS version 22.0. Descriptive statistics which include frequency and percentages were used to summarize categorical variables while means and standard deviations were obtained for continuous variables. Associations between categorical variables were done using logistic regression while the means of continuous variables were compared using t-test. Results were presented in tables and charts. A P-value less than 0.05 was considered to be statistically significant, i.e. confidence level was set at 95%.

2.3. Definitions

SMBG refers to any subject who possessed a glucometer and utilizes it to monitor his or her blood glucose. The frequency of SMBG was categorized as daily, twice weekly, once weekly, once/month and infrequently. The duration of SMBG refers to when the individual began to practice SMBG and categorised as i) less than 12 months ii) 12-36 months and iii) above 36 months. The normal HbA1c is 7% or less. Chronic DM complications sought for, evidence of Retinopathy, Nephropathy, Neuropathy, Transient Ischemic attack, stroke, cardiovascular disease, peripheral vascular disease and foot ulceration.

3. RESULTS

The age of the study subjects ranged from 28 years to 87 years. The mean + S.D age is 62 + 11 years (Table 1). The mean + S.D BMI of the study subjects is 27.79 + 4.73 Kgm2. 25 (10%) of the patients had no formal education, 61 (25%) patients were educated up to primary level, 68 (27%) up to secondary level, 93 (37%) up to tertiary level, while 2 (1%) patients had post-graduate education. 132 (53%) were currently unemployed. The mean + S.D duration of DM is 9.28 + 7.66 years. 8 (3%) of the patients have had diabetes for less than 1 year, 96 (39%) patients; 1-5 years, 56 (23%) patients; 6-10 years, 48 (19%) patients; 11-15 years, 26 (10%) patients; 16-20 years while 15 (6%) patients have had diabetes for 21 years and above. More than three-quarters (192, 77%) of the patients treated their diabetes with Oral Antidiabetic Drugs (OADSs), 8 (3%) patients; insulin, 47 (19%) patients; insulin and OADs, while 2 (1%) patients treated their diabetes with diet only.

159 (64%) of the patients practised SMBG while 90 (36%) patients did not (Fig. 1 and Table 2).

Fig. (1)
Shows the proportion of those who practice SMBG and those who did not.


Twenty-two (14%) of the patients have been practising SMBG for less than 12 months, 71 (46%) patients for 12-36 months, while 60 (39%) of them for more than 36 months. 36 (23%) of the patients did SMBG daily, 58 (37%) patients twice weekly, 48 (30%) patients weekly, 11 (7%) patients monthly, 5 (3%) patients did it for unspecified time period while 1 (1%) patient was unable to specify the time period .

Table 1
Demographic characteristics of the study subjects.


A higher proportion of those who practised SMBG had a longer duration of DM which was however insignificant p- 0.14.

There was no association between age and SMBG practice. More male patients (72.7%) practice SMBG compared to female patients (59.9%) p-value 0.051.

Table 3 above shows that subjects with primary or no formal education were less likely to practice SMBG than those with higher level of education (post secondary), (P < 0.001, OR = 0.254, 95% C.I = 0.146 - 0.442). Similarly patients that use insulin/insulin+OHA were 2 times more likely to practice SMBG than those that use Diet/diet+OHA (P = 0.031, OR = 2.126, 95% C.I = 1.071 - 4.219).

Table 2
Comparison of clinical parameters between patients who practice SMBG and those who do not.


Table 3
Association between some demographic factors and SMBG practice.


Table 4 above shows that SMBG practice was not significantly associated with HbA1c, an index of long term glycaemic control (P = 0.118, OR = 1.519, 95% C.I = 0.900 - 2.565). However, normal FBG was significantly associated with the practice of SMBG. Subjects who practice SMBG were less likely to have abnormal FBG than those who do not practice (P = 0.001, OR = 0.399, 95% C.I = 0.229 - 0.693).

The detection of chronic complications of DM was comparable between those who practice SMBG and those who do not as shown in Tables 5 and 6. There was no significant association between SMBG practice and chronic diabetic complications (P > 0.05).

Table 4
Association between SMBG practice and glycaemic control.


Table 5
Association between SMBG practice and the presence of chronic diabetic complications.


Table 6
- The Relationship between Frequency of SMBG and Glycosylated Haemoglobin.


4. DISCUSSION

SMBG prescribed as part of an educational programme to the diabetic individual helps to guide treatment decisions and self-management [7Ugwu ET, Orjioke CJ, Young EE. Self monitoring of blood glucose among patients with type 2 diabetes mellitus in eastern nigeria: Need for multi-strategic interventions. Curr Diabetes Rev 2016.[PMID: 27758706] ]. It also provides patients with the knowledge of the effects of their lifestyle, food choices and physical activities on their blood glucose levels. We demonstrated in this study that 64% of our study population practice SMBG, this is similar to the report by Ugwu et al. [7Ugwu ET, Orjioke CJ, Young EE. Self monitoring of blood glucose among patients with type 2 diabetes mellitus in eastern nigeria: Need for multi-strategic interventions. Curr Diabetes Rev 2016.[PMID: 27758706] ], but contrasts with observations of Iwuala et al. and Raimi et al., [8Iwuala SO, Olamoyegun MA, Sabir AA, Fasanmade OA. The relationship between self-monitoring of blood glucose and glycaemic control among patients attending an urban diabetes clinic in Nigeria. Ann Afr Med 2015; 14(4): 182-7.[http://dx.doi.org/10.4103/1596-3519.155992] [PMID: 26470743] , 9Raimi T, Adewuya O, Ajayi A. Knowledge and practice of self home monitoring of blood glucose. Res J Health Sci 2015; 3(2): 68-78.]. Low prevalence of SMBG was also observed in other developing countries like Bangladesh (8.6%) [10Islam FMA, Chakrabarti R, Dirani M, et al. Knowledge, attitudes and practice of diabetes in rural Bangladesh: The Bangladesh Population based Diabetes and Eye Study (BPDES). PLoS One 2014; 9(10): e110368.[http://dx.doi.org/10.1371/journal.pone.0110368] [PMID: 25313643] ] and Western Kenya(34%) [11Wambui Charity K, Kumar AMV, Hinderaker SG, Chinnakali P, Pastakia SD, Kamano J. Do diabetes mellitus patients adhere to Self-Monitoring of Blood Glucose (SMBG) and is this associated with glycemic control? Experiences from a SMBG program in western Kenya. Diabetes Res Clin Pract 2016; 112: 37-43.[http://dx.doi.org/10.1016/j.diabres.2015.11.006] [PMID: 26655019] ]. The sample size in this study is similar to that in the study by Ugwu et al. [7Ugwu ET, Orjioke CJ, Young EE. Self monitoring of blood glucose among patients with type 2 diabetes mellitus in eastern nigeria: Need for multi-strategic interventions. Curr Diabetes Rev 2016.[PMID: 27758706] ], which may explain the higher prevalence of those who practised SMBG.

We observed in this study that, despite the number of people who practised SMBG, the majority did not do it daily in accordance with clinical practice guidelines. This observation is similar to the findings in Pakistan, where, despite the high prevalence of SMBG, most did so infrequently [12Khowaja K, Waheed H. Self-glucose monitoring and glycaemic control at a tertiary care university hospital, Karachi, Pakistan. J Pak Med Assoc 2010; 60(12): 1035-8.[PMID: 21381559] ]. The prohibitive cost of test strips and out of pocket payment for health care service by the majority of our patients may be some of the reasons for this observation.

A comparison between those who did SMBG and those who did not, in this study, revealed that short term glycaemic control was significantly better in those who did SMBG. This observation agrees with the findings of the aforementioned Pakistani study. Similarly, Hou Yun Ying et al., [13Hou Y-Y, Li W, Qiu J-B, Wang X-H. Efficacy of blood glucose self-monitoring on glycemic control in patients with non-insulin-treated type 2 diabetes: A meta-analysis. Int J Nur Sci 2014; 1(2): 191-5.[http://dx.doi.org/10.1016/j.ijnss.2014.05.003] ] reported a positive association between SMBG practice and glycaemic control. We observed that only the index of short term glycaemic control (FBG) was better among those who did SMBG.

The predictors of SMBG in this study were; a higher level of education, male gender and treatment with insulin. A higher level of education may confer a better understanding of the disease and awareness of complications on the individual. Wijesinha et al., Farhan et al., and Parsons et al., [14Parsons SN, Luzio SD, Harvey JN, et al. Effect of structured self-monitoring of blood glucose, with and without additional TeleCare support, on overall glycaemic control in non-insulin treated Type 2 diabetes: The SMBG Study, a 12-month randomized controlled trial. Diabet Med 2019.[http://dx.doi.org/10.1111/dme.13899] [PMID: 30653704] -16Farhan SA, Shaikh AT, Zia M, et al. Prevalence and predictors of home use of glucometers in diabetic patients. Cureus 2017; 9(6): e1330.[PMID: 28698830] ], also remarked a positive association between SMBG and higher socioeconomic status. In contrast to our observation in this study, Andrew Carter et al., [17Karter AJ, Ferrara A, Darbinian JA, Ackerson LM, Selby JV. Self-monitoring of blood glucose: Language and financial barriers in a managed care population with diabetes. Diabetes Care 2000; 23(4): 477-83.[http://dx.doi.org/10.2337/diacare.23.4.477] [PMID: 10857938] ] reported that a long time since the diagnosis of DM predicted the non-adherent practice of SMBG. The observation in this study of a positive association between SMBG and insulin use is not surprising, as self-management education by healthcare providers may be skewed in favor of patients on insulin to prevent hypoglycemia in these patients. However, in a real-world study of the use of SMBG among type 2 diabetics, Rossi et al., [18Rossi MC, Lucisano G, Ceriello A, et al. Real-world use of self-monitoring of blood glucose in people with type 2 diabetes: An urgent need for improvement. Acta Diabetol 2018; 55(10): 1059-66.[http://dx.doi.org/10.1007/s00592-018-1186-z] [PMID: 30062588] ] observed that SMBG were underutilized both in patients on OADs as well as insulin treated.

Relatively more men did SMBG in this study, which can be explained by better socioeconomic empowerment in men. Women still make up a large proportion of the population living in poverty in Nigeria [19Online BD. Women empowerment as catalyst for economic development 2017. Available from: http://www. businessdayonline. com/women-empowerment-catalyst-economic-development/].

The presence of chronic diabetes complications was, however comparable between the two groups in this study, although we demonstrated an insignificant lower frequency of complications among those who did SMBG daily. Ezenwaka et al., [20Ezenwaka CE, Dimgba A, Okali F, et al. Self-monitoring of blood glucose improved glycemic control and the 10-year coronary heart disease risk profile of female type 2 diabetes patients in Trinidad and Tobago. Niger J Clin Pract 2011; 14(1): 1-5.[http://dx.doi.org/10.4103/1119-3077.79230] [PMID: 21493982] ] suggested in a recent trial that the use of SMBG may provide an improvement in calculated coronary heart disease risk scores. The Rosso study also found that SMBG was associated with a lower incidence of micro and macrovascular events and all-cause mortality, regardless of insulin use [21Martin S, Schneider B, Heinemann L, et al. Self-monitoring of blood glucose in type 2 diabetes and long-term outcome: An epidemiological cohort study. Diabetologia 2006; 49(2): 271-8.[http://dx.doi.org/10.1007/s00125-005-0083-5] [PMID: 16362814] ].

The limitations of this study are the relatively small sample size which may hamper generalisation of the findings; the possibility of recall bias on the part of participants in terms of frequency of SMBG could also be entertained. We also did not obtain information on the initial education received on SMBG that could have influenced the practice.

A suggested area of research from this study is a longitudinal assessment of the effect of SMBG on newly diagnosed Type 2 diabetics without evidence of chronic complications.

CONCLUSION

SMBG practice is significantly associated with good short term glycaemic control and may prevent the development of chronic DM complications; therefore, provision of glucose meters should be prioritized in the allocation of resources to diabetes care at all levels of healthcare service provision.

ETHICS APPROVAL AND CONSENT TO PARTICIPATE

The research protocol and procedures were approved by the LASUTH Health Research and Ethics Committee.

HUMAN AND ANIMAL RIGHTS

No Animals were used in this research. All human research procedures followed were in accordance with the ethical standards of the committee responsible for human experimentation (institutional and national), and with the Helsinki Declaration of 1975, as revised in 2013.

AVAILABILITY OF DATA AND MATERIALS

The dataset analyzed can be obtained from the corresponding author on request.

FUNDING

The authors received no funding.

AUTHORS’ CONTRIBUTIONS

OOA conceived and designed the study, collected data, scrutinized for intellectual content. AOO critically reviewed the manuscript and did statistical analysis. ETU analyzed and interpreted data. AB performed the experiments.

All authors read and approved the manuscript.

CONSENT FOR PUBLICATION

All study subjects gave informed written consent to participate and for results to be published.

CONFLICTS OF INTEREST

The authors declare no conflict of interest, financial or otherwise.

ACKNOWLEDGEMENTS

We acknowledge the assistance provided by Mr. Joshua Ogungbemi with data collation.

REFERENCES

[1] Guideline on self-Monitoring of blood glucose in Non-Insulin treated type 2 diabetes. International diabetes federation 2009.
[2] Parsons S, Luzio S, Bain S, et al. Self-monitoring of blood glucose in non-insulin treated type 2 diabetes (The SMBG Study): Study protocol for a randomised controlled trial. BMC Endocr Disord 2017; 17(1): 4.[http://dx.doi.org/10.1186/s12902-017-0154-x] [PMID: 28143495]
[3] Young LA, Buse JB, Weaver MA, et al. Monitor Trial Group. Glucose self-monitoring in non-insulin-treated patients with type 2 diabetes in primary care settings: A randomized trial. JAMA Intern Med 2017; 177(7): 920-9.[http://dx.doi.org/10.1001/jamainternmed.2017.1233] [PMID: 2860 0913]
[4] Mayor S. Glucose self monitoring may not improve control in non-insulin treated type 2 diabetes. BMJ 2017; 357: j2832.[http://dx.doi.org/10.1136/bmj.j2832]
[5] Polonsky WH, Fisher L, Schikman CH, et al. Structured self-monitoring of blood glucose significantly reduces A1C levels in poorly controlled, noninsulin-treated type 2 diabetes: Results from the Structured Testing Program study. Diabetes Care 2011; 34(2): 262-7.[http://dx.doi.org/10.2337/dc10-1732] [PMID: 21270183]
[6] Karter AJ, Ackerson LM, Darbinian JA, et al. Self-monitoring of blood glucose levels and glycemic control: The northern california kaiser permanente diabetes registry. Am J Med 2001; 111(1): 1-9.[http://dx.doi.org/10.1016/S0002-9343(01)00742-2] [PMID: 11448 654]
[7] Ugwu ET, Orjioke CJ, Young EE. Self monitoring of blood glucose among patients with type 2 diabetes mellitus in eastern nigeria: Need for multi-strategic interventions. Curr Diabetes Rev 2016.[PMID: 27758706]
[8] Iwuala SO, Olamoyegun MA, Sabir AA, Fasanmade OA. The relationship between self-monitoring of blood glucose and glycaemic control among patients attending an urban diabetes clinic in Nigeria. Ann Afr Med 2015; 14(4): 182-7.[http://dx.doi.org/10.4103/1596-3519.155992] [PMID: 26470743]
[9] Raimi T, Adewuya O, Ajayi A. Knowledge and practice of self home monitoring of blood glucose. Res J Health Sci 2015; 3(2): 68-78.
[10] Islam FMA, Chakrabarti R, Dirani M, et al. Knowledge, attitudes and practice of diabetes in rural Bangladesh: The Bangladesh Population based Diabetes and Eye Study (BPDES). PLoS One 2014; 9(10): e110368.[http://dx.doi.org/10.1371/journal.pone.0110368] [PMID: 25313643]
[11] Wambui Charity K, Kumar AMV, Hinderaker SG, Chinnakali P, Pastakia SD, Kamano J. Do diabetes mellitus patients adhere to Self-Monitoring of Blood Glucose (SMBG) and is this associated with glycemic control? Experiences from a SMBG program in western Kenya. Diabetes Res Clin Pract 2016; 112: 37-43.[http://dx.doi.org/10.1016/j.diabres.2015.11.006] [PMID: 26655019]
[12] Khowaja K, Waheed H. Self-glucose monitoring and glycaemic control at a tertiary care university hospital, Karachi, Pakistan. J Pak Med Assoc 2010; 60(12): 1035-8.[PMID: 21381559]
[13] Hou Y-Y, Li W, Qiu J-B, Wang X-H. Efficacy of blood glucose self-monitoring on glycemic control in patients with non-insulin-treated type 2 diabetes: A meta-analysis. Int J Nur Sci 2014; 1(2): 191-5.[http://dx.doi.org/10.1016/j.ijnss.2014.05.003]
[14] Parsons SN, Luzio SD, Harvey JN, et al. Effect of structured self-monitoring of blood glucose, with and without additional TeleCare support, on overall glycaemic control in non-insulin treated Type 2 diabetes: The SMBG Study, a 12-month randomized controlled trial. Diabet Med 2019.[http://dx.doi.org/10.1111/dme.13899] [PMID: 30653704]
[15] Mastura I, Mimi O, Piterman L, Teng CL, Wijesinha S. Self-monitoring of blood glucose among diabetes patients attending government health clinics. Med J Malaysia 2007; 62(2): 147-51.[PMID: 18705449]
[16] Farhan SA, Shaikh AT, Zia M, et al. Prevalence and predictors of home use of glucometers in diabetic patients. Cureus 2017; 9(6): e1330.[PMID: 28698830]
[17] Karter AJ, Ferrara A, Darbinian JA, Ackerson LM, Selby JV. Self-monitoring of blood glucose: Language and financial barriers in a managed care population with diabetes. Diabetes Care 2000; 23(4): 477-83.[http://dx.doi.org/10.2337/diacare.23.4.477] [PMID: 10857938]
[18] Rossi MC, Lucisano G, Ceriello A, et al. Real-world use of self-monitoring of blood glucose in people with type 2 diabetes: An urgent need for improvement. Acta Diabetol 2018; 55(10): 1059-66.[http://dx.doi.org/10.1007/s00592-018-1186-z] [PMID: 30062588]
[19] Online BD. Women empowerment as catalyst for economic development 2017. Available from: http://www. businessdayonline. com/women-empowerment-catalyst-economic-development/
[20] Ezenwaka CE, Dimgba A, Okali F, et al. Self-monitoring of blood glucose improved glycemic control and the 10-year coronary heart disease risk profile of female type 2 diabetes patients in Trinidad and Tobago. Niger J Clin Pract 2011; 14(1): 1-5.[http://dx.doi.org/10.4103/1119-3077.79230] [PMID: 21493982]
[21] Martin S, Schneider B, Heinemann L, et al. Self-monitoring of blood glucose in type 2 diabetes and long-term outcome: An epidemiological cohort study. Diabetologia 2006; 49(2): 271-8.[http://dx.doi.org/10.1007/s00125-005-0083-5] [PMID: 16362814]

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Philippe Hernigou
(Paris University, France)

"There are many scientists who can not afford the rather expensive subscriptions to scientific journals. Open access journals offer a good alternative for free access to good quality scientific information."


Fidel Toldrá
(Instituto de Agroquimica y Tecnologia de Alimentos, Spain)

"Open access journals have become a fundamental tool for students, researchers, patients and the general public. Many people from institutions which do not have library or cannot afford to subscribe scientific journals benefit of them on a daily basis. The articles are among the best and cover most scientific areas."


M. Bendandi
(University Clinic of Navarre, Spain)

"These journals provide researchers with a platform for rapid, open access scientific communication. The articles are of high quality and broad scope."


Peter Chiba
(University of Vienna, Austria)

"Open access journals are probably one of the most important contributions to promote and diffuse science worldwide."


Jaime Sampaio
(University of Trás-os-Montes e Alto Douro, Portugal)

"Open access journals make up a new and rather revolutionary way to scientific publication. This option opens several quite interesting possibilities to disseminate openly and freely new knowledge and even to facilitate interpersonal communication among scientists."


Eduardo A. Castro
(INIFTA, Argentina)

"Open access journals are freely available online throughout the world, for you to read, download, copy, distribute, and use. The articles published in the open access journals are high quality and cover a wide range of fields."


Kenji Hashimoto
(Chiba University, Japan)

"Open Access journals offer an innovative and efficient way of publication for academics and professionals in a wide range of disciplines. The papers published are of high quality after rigorous peer review and they are Indexed in: major international databases. I read Open Access journals to keep abreast of the recent development in my field of study."


Daniel Shek
(Chinese University of Hong Kong, Hong Kong)

"It is a modern trend for publishers to establish open access journals. Researchers, faculty members, and students will be greatly benefited by the new journals of Bentham Science Publishers Ltd. in this category."


Jih Ru Hwu
(National Central University, Taiwan)


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