|
Rigid Fixation |
Conventional Closure |
Univariate |
Multivariate |
Group R |
Group C |
Analyses |
Analyses |
Number of patients |
89 |
133 |
P value |
P value |
Clinical characteristics |
Age (mean ± std) |
62 ± 9 |
69 ± 11 |
<0.0001 |
|
Age over 75 |
8 (9%) |
47 (35%) |
<0.0001 |
0.0097 |
Age under 65 |
55 (62%) |
48 (36%) |
0.0002 |
0.0002 |
Male sex |
75 (84%) |
64 (48%) |
<0.0001 |
0.0001 |
Cardiac profile |
Acute myocardial infarction |
5 (6%) |
5 (4%) |
0.5129 |
|
History of congestive heart failure |
11 (12%) |
15 (11%) |
0.8060 |
|
Poor ejection function (<40%) |
10 (11%) |
20 (15%) |
0.4168 |
|
Atrial fibrillation |
6 (7%) |
20 (15%) |
0.0596 |
|
Redo surgery |
2 (2%) |
12 (9%) |
0.0418 |
0.0598 |
Emergent or urgent surgery |
16 (18%) |
35 (26%) |
0.1478 |
|
Left main disease |
15 (17%) |
20 (15%) |
0.7159 |
|
Coronary risk factors |
Hypertension |
76 (85%) |
117 (88%) |
0.5766 |
|
Diabetes |
27 (30%) |
51 (38%) |
0.2206 |
|
Insulin user |
7 (8%) |
20 (15%) |
0.1091 |
|
Hyperlipidemia |
75 (84%) |
99 (74%) |
0.0811 |
|
Smoking |
18 (20%) |
18 (14%) |
0.1850 |
|
Body mass index above 30 |
50 (56%) |
49 (37%) |
0.0045 |
0.0048 |
Body mass index above 35 |
18 (20%) |
24 (18%) |
0.6845 |
|
Family history |
50 (56%) |
63 (47%) |
0.1981 |
|
Peripheral vascular disease |
12 (14%) |
13 (10%) |
0.3916 |
|
Cerebral vascular accident |
11 (12%) |
22 (17%) |
0.3907 |
|
Chronic pulmonary disease |
15 (17%) |
27 (20%) |
0.5205 |
|
Renal dysfunction (Creatinine above 1.5 mg/dl) |
2 (2%) |
6 (5%) |
0.3751 |
|
Surgery |
Coronary artery bypass surgery |
73 (82%) |
84 (63%) |
0.0025 |
0.5381 |
Internal mammary artery use in coronary bypass |
69 (95%) |
68 (83%) |
0.0284 |
0.4851 |
Number of distal anastomosis |
2.6 ± 0.9 |
2.5 ± 0.9 |
0.4180 |
|
Valve surgery |
26 (29%) |
72 (54%) |
0.0002 |
0.1111 |
EuroSCORE |
2.6 ± 2.3 |
4.4 ±2.7 |
0.0001 |
|