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Table 2 Respiratory and microcirculatory data for model 2 (bowel O2 administration)

From: Exploring alternative routes for oxygen administration

  Baseline 30 min 120 min 240 min
Respiratory rate (n/min)
 Bowel-O2 70 ± 3 81 ± 3* 81 ± 3* 82 ± 2*
 Controls 69 ± 4 83 ± 4** 86 ± 5*** 81 ± 7**
PaCO2 (kPa)
 Bowel-O2 4.7 ± 0.1 3.5 ± 0.1*** 3.4 ± 0.1*** 2.8 ± 0.2***
 Controls 4.7 ± 0.2 3.5 ± 0.1*** 3.2 ± 0.1*** 2.8 ± 0.1***
pH
 Bowel-O2 7.47 ± 0.01 7.54 ± 0.01*** 7.57 ± 0.01*** 7.53 ± 0.04***
 Controls 7.47 ± 0.01 7.55 ± 0.01*** 7.56 ± 0.01*** 7.58 ± 0.01***
Perfused vessel density (mm/mm2)
 Bowel-O2 20.8 [14.9–21.1] 21.2 [17.7–23.1] 21.0 [18.6–22.1] 18.5 [17.1–19.5]
 Controls 19.9 [18.2–23.3] 20.0 [18.1–23.8] 18.0 [16.5–22.0] 17.9 [15.7–18.7]
  1. *p < 0.05; **p < 0.01; ***p < 0.001 versus baseline