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Table 2 StO2 in the baseline and in the head-up tilt (HUT)

From: Oxygen saturation determined from the mouth is an early indicator of central hypovolemia in humans

Baseline HUT Baseline 2 StO2 15 thenar
76 ± 6 75 ± 6 78 ± 7 StO2 25 thenar
76 ± 5 75 ± 6 78 ± 8 StO2 buccal
88 ± 3 78 ± 3* 87 ± 3  
  1. *P < 0.05 vs baseline 1 and 2.