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Table 2 Hemodynamic and SLD variables.

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

VARIABLE CONTROL (n = 16) COMPLICATED (n = 12) P
Cardiac index (L/min/m²) 2.5(2.0-2.8) (n = 7) 1.9(1.8-2.4) (n = 12) 0.24
Mean arterial pressure (mmHg) 79 ± 8 72 ± 9 0.04
Central venous pressure (mmHg) 10 (6-12) 11 (9-12) 0.83
Lactate (mEq/L) 1.4 (1.1-2.3) 2.1 (1.6-3.0) 0.13
Norepinephrine (mcg/Kg/min) 0.0(0.0-0.1) 0.2(0.0-0.3) 0.01
Time from ICU admission to SLD test (hours) 2(1-6) 2(1-15) 0.43
Skin blood flow 37°C (PU) 12.8(10.1-21.7) 13.0(9.3-19.6) 0.71
Skin blood flow 43°C (PU) 81.8(47.1-126.3) 38.9(18.0-66.6) 0.03
Skin blood flow ratio 5.8(3.2-8.0) 2.9(1.8-3.8) 0.02