Table 1: Demographic and clinical data of two groups.

Variable   Control
  (n=50)		      RIPC
     (n=50)		      P value
Age (yrs) 58.6 ± 7.3 61.0 ± 8.6 0.1367
– – – –
Men 41(82%) 36(72%) 0.8345
– – – –
BMI 26.32 ± 3.63 25.47 ± 2.77 0.1936
– – – –
Diabetes Mellitus   34(68%)      35 (70%)      1.0
Hypertension   22(44%)      27(54%)      0.4236
Prior PCI   17(34%)      10(20%)      0.1765
  NYHA Class 3,4   12(24%)      21(42%)      0.0889
Hypotension   1(2%)      4(8%)      0.181
Contrast medium (ml)   127.5 ± 61.0      123±53      0.6944
Baseline Hb.%   12.94±2.08      12.62 ± 2.56      0.5002
Baseline eGFR   54.8 ± 9.65      54.95 ± 10.0      0.9393
Baseline S.Creatinine   1.32 ± 0.3      1.31 ± 0.28      0.7828
Integer CI- AKI Risk score
< 5		   14 (28%)      15(30%)
6 – 10   24 (48%)      21(42%)
11 - 15   6(12%)      8 (16%)
>16   1(2%)      1(2%)

Abbreviations: RIPC - Ischemic preconditioning; NYHA- New York Heart Association; eGFR- estimated glomerular filtration rate; MDRD- Modification of Diet in Renal Disease; CI-AKI- contrast medium–induced acute kidney injury;PCI- Percutaneous Coronary Intervention *Normally distributed data are presented as mean±SD; other data are shown as n (%).