Table III.
Changes in blood gas indicators in the two groups (x ± s)
| Item | Group D (n = 60) | Group C (n = 60) | P-value |
|---|---|---|---|
| pH: | |||
| T1 | 7.402 ±0.049 | 7.395 ±0.045 | 0.332 |
| T2 | 7.417 ±0.042 | 7.390 ±0.043 | < 0.001 |
| T3 | 7.342 ±0.053 | 7.373 ±0.047 | 0.006 |
| T4 | 7.376 ±0.037 | 7.323 ±0.044 | < 0.001 |
| PaCO2 [mm Hg]: | |||
| T1 | 35.6 ±6.4 | 36.8 ±5.8 | 0.237 |
| T2 | 34.8 ±4.6 | 34.8 ±4.8 | 0.887 |
| T3 | 33.8 ±4.5 | 33.7 ±4.5 | 0.292 |
| T4 | 35.1 ±5.6 | 35.4 ±5.3 | 0.775 |
| Qs/Qt (%): | |||
| T1 | 12.1 ±1.8 | 11.8 ±1.8 | 0.093 |
| T2 | 15.5 ±1.7 | 18.3 ±2.3 | < 0.001 |
| T3 | 13.5 ±1.8 | 14.7 ±2.2 | 0.008 |
| T4 | 9.9 ±3.6 | 11.7 ±2.8 | 0.041 |
| PaO2 [mm Hg]: | |||
| T1 | 472.5 ±69.2 | 460.1 ±60.5 | 0.067 |
| T2 | 149.5 ±79.2 | 144.1 ±81.5 | 0.011 |
| T3 | 354.8 ±84.3 | 336.1 ±81.4 | 0.028 |
| T4 | 84.5 ±9.6 | 83.5 ±10.0 | 0.039 |
Qs/Qt – intrapulmonary shunt.