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Table 3 Oxygen-related variables

From: Mixed venous O2 saturation and fluid responsiveness after cardiac or major vascular surgery

  Responder Non-responder P
  n = 26 n = 11
Temperature, °C
t = 0 35.8 (0.6) 35.8 (0.7) 0.90
t = 90 36.1 (0.7) 36.3 (0.9) 0.58
Change 0.3 (0.4) 0.5 (0.6) 0.74
SaO2, %
t = 0 98 (1) 98 (1) 0.44
t = 90 98 (1) 98 (1) 0.81
Change 0 (1) 1 (1) 0.34
SvO2, %
t = 0 72 (7) 75 (7) 0.16
t = 90 74 (7) 74 (6) 0.76
Change 3 (5) −1 (6) 0.03
Hb, mmol/L
t = 0 6.0 (1.1) 5.7 (0.6) 0.32
t = 90* 5.1 (0.9) 5.1 (0.5) 0.66
Change −0.9 (0.5) −0.6 (0.2) 0.10
DO2I, mL/min/m2
t = 0 403 (85) 453 (88) 0.18
t = 90* 488 (112) 453 (77) 0.31
Change 84 (74) 0 (61) 0.004
VO2I, mL/min/m2
t = 0 120 (30) 122 (52) 0.88
t = 90** 143 (50) 139 (39) 0.71
Change 22 (50) 16 (67) 0.97
Lactate, mmol/L
t = 0 1.5 (0.8) 1.0 (0.4) 0.13
t = 90 1.5 (0.8) 1.2 (0.3) 0.68
Change 0 (0.3) 0.1 (0.2) 0.11
  1. Mean (SD) for responders and non-responders (according to 15% CI increase); *P < 0.001, **P = 0.04, for change t = 0-90 in whole group (R + NR).