Table 4. Gas exchange parameters at PACU.
| Group C | Group R | P -value | |
|---|---|---|---|
| (n = 25) | (n = 26) | ||
| PaCO2 | 34.0 ± 3.8 | 32.6 ± 3.5 | 0.20 |
| PaO2 | 81.1 ±8.7 | 83.1 ± 11.7 | 0.49 |
| SO2 | 95.7 ± 2.1 | 96.2 ± 2.5 | 0.61 |
| PAO2 | 107.3 ± 4.7 | 109.0 ± 4.4 | 0.20 |
| a/A ratio | 0.8 ± 0.1 | 0.8 ± 0.1 | 0.68 |
| AaDO2 | 26.2 ± 9.6 | 25.9 ± 12.4 | 0.88 |
| PaO2/FIO2 | 386.0 ± 41.6 | 395.7 ± 56.0 | 0.49 |
Values are mean ± SD or numbers.
ETCO2, end tidal carbon dioxide tension.
PaCO2, arterial carbon dioxide tension.
PaO2, arterial oxygen tension.
SO2, peripheral capillary oxygen saturation.
PAO2, alveolar oxygen pressure.
AaDO2, arterial /alveolar O2 tension.
a/A, alveolar–arterial gradient.
PaO2/FIO2, ratio of partial pressure arterial oxygen and fraction of inspired oxygen.