From: Impact of zero-positive end-expiratory pressure on blood transfusion rates in off-pump coronary artery bypass surgery: a retrospective cohort study
Adjusted Odds Ratio
95% Confidence interval
P value
STS score
2.31
1.53–3.49
< 0.001
ZEEP
0.13
0.04–0.78
0.021
Colloid
0.59
0.22–1.62
0.306