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Table 1 Case-control analysis

From: Does chronic metformin therapy offer cardiomyoprotection in coronary artery bypass grafting surgery patients? A case-control study

   

Statistics,

 

Metformin

Nonmetformin

P value

Mortality

1/81

8/260

0.24

28 days free ICU (days)

23.4

22.9

<0.04

CKMB T 0 hours (ng/ml)

21

26

<0.003

CKMB T+8 hours (ng/ml)

22

53

0.004

CKMB T+18 hours (ng/ml)

21.5

27.5

<0.012