Table 3.

Surgical and postoperative data.

Variable	Hospital A (N=106)	Hospital B (N=508)
CPB duration (min)	100 (0-390)	84 (0-365)
XAo duration (min)	55 (0-172)	45 (0-325)
DHCA duration (min)	0 (0-145)	0 (0-150)
Intraoperative death	1 (0.9%)	7 (1.4%)
Complications
Bleeding	12 (11.7%)	37 (7.3%)
Arrhythmia	4 (3.8%)	23 (4.5%)
Postoperative hematocrit (%)	33 (10-59)	37 (15-61)
Postoperative arterial lactate (mg/dL)	18 (1.8-243)	24 (6-270)
VIS at the end of surgery	5 (0-55)	10 (0-325)
VIS at CICU arrival	8 (0-54)	32 (3-70)
Length of mechanical ventilation (h)	90 (0-1055)	17 (0-8779)
Length of CICU stay (h)	141 (2-1885)	136 (16-8879)

CPB=cardiopulmonary bypass; XAo=aortic cross-clamp; DHCA=deep hypothermic circulatory arrest; VIS=vasoactive-inotropic score; CICU=cardiac intensive care unit

Values are expressed as median (range) or count (proportion).