Table 5. Median (IQR) capillary blood gas values per altitude for Tx-participants and controls.
| 0 meters | 1000 meters | 4030 meters | 1400 meters | |||||
|---|---|---|---|---|---|---|---|---|
| Tx-participants | Controls | Tx-participants | Controls | Tx-participants | Controls | Tx-participants | Controls | |
| pH | 7.40 (7.38; 7.40) | 7.40 (7.38; 7.41) | 7.40 (7.37; 7.40) | 7.38 (7.37; 7.40) | 7.36 (7.32; 7.42) | 7.39 (7.37; 7.41) | 7.36 (7.31; 7.41) | 7.42 (7.38; 7.42) |
| pCO2 | 5.21 (4.96; 5.49) | 5.54 (5.05; 5.78) | 4.83(4.64; 5.12) | 5.43 (5.36; 5.60) | 3.62 (3.24; 4.01) | 3.75 (3.57; 4.00) | 3.84 (3.51; 4.09) | 4.45 (4.17; 4.56) |
| pO2 | 10.1 (8.8; 11.1) | 9.5 (8.9; 10.1) | 8.5 (8.1; 9.1) | 7.8 (7.6; 8.5) | 5.7 (5.2; 6.4) | 5.6 (4.8; 6.0) | 9.0 (8.1; 9.5) | 8.6 (8.5; 9.0) |
| HCO3- | 23.5 (22.4; 25.3) | 25.3 (23.3; 27.6) | 22.5 (20.7; 23.5) | 24.2 (23.6; 25.5) | 16.0 (13.4; 17.7) | 16.2 (15.8; 18.8) | 17.2 (13.6; 19.0) | 20.2 (19.4; 21.5) |
| Base Excess | -1 (-3; 0) | 0 (-2; 3) | -2 (-4; -1) | -1 (-1; 1) | -8 (-11; -5) | -7 (-8; -5) | -8 (-11; -5) | -4 (-4; -3) |
| SaO2 | 96 (92; 96) | 94 (93–95) | 92 (91; 94) | 90 (89; 92) | 79 (73; 82) | 78 (68; 82) | 92 (90; 94) | 93 (92; 93) |
| Lactate | 1.33 (1.14; 1.74) | 1.75 (1.26; 2.12) | 0.95 (0.88; 1.15) | 1.36 (0.99; 1.43) | 1.64 (1.37; 1.85) | 1.70 (1.25; 1.89) | 1.71 (1.29; 2.30) | 1.40 (1.07; 2.33) |
pCO2: carbon dioxide pressure, kPa. pO2: oxygen pressure, kPa. HCO3-: bicarbonate, mmol/L, Base Excess: metabolic component compensating pH deviations, mmol/L. saO2: oxygen saturation, %. Lactate in mmol/L.