Table 3.

Variables associated with methylene blue response

Variable	OR (95% CI)	P
Age	1.02 (0.99-1.05)	0.29
Male sex	1.47 (0.56-3.85)	0.43
Body mass index	0.98 (0.92-1.05)	0.52
Preoperative creatinine (mg/dL)	0.75 (0.32-1.76)	0.50
Preoperative albumin (g/dL)	1.63 (0.50-5.31)	0.42
Diabetes	1.16 (0.48-2.81)	0.74
Hypertension	1.09 (0.34-3.56)	0.88
Preoperatieve ACE inhibitor	1.74 (0.71-4.23)	0.22
Preoperative beta-blocker	0.51 (0.20-1.32)	0.17
LV ejection fraction	1.03 (0.99-1.06)	0.06
CPB time	0.99 (0.99-1.01)	0.58
Deep hypothermic circulatory arrest	4.48 (1.54-13.06)	0.006
MAP (mmHg)	1.04 (1.01-1.07)	0.02

ACE: Angiotensin converting enzyme, CPB: Cardiopulmonary bypass time, LV: Left ventricle, MAP: Mean arterial blood pressure, OR: Odds ratio, CI: Confidence interval