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Table 1 Main characteristics of both groups.

From: Thermal challenge of the microcirculation in patients after cardiac surgery

VARIABLE CONTROL (n = 16) COMPLICATED (n = 12) P
Age (years) 67 ± 13 69 ± 9 0.65
Coronary disease n(%) 8(50) 8(67) 0.68
Pre-surgery left ventricular ejection fraction (%) 60(38-60) 57(28-60) 0.54
Cardiopulmonary bypass time (min) 122(94-130) 127(121-148) 0.31
Hemoglobin (g/dL) 10.9(10.0-11.5) 9.7(9.3-10.4) 0.09
APACHE II score 15 ± 4 21 ± 6 < 0.01
ICU length of stay (days) 1.0(0.9-1.9) 6.8(4.2-11.5) < 0.01
Mortality n(%) 0(0) 3(25) 0.07