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Postoperative data
| Group D | Group C | |
|---|---|---|
| Respiratory rate, n | 16±5 | 21±3 |
| PaO2, mmHg | 88±8.2 | 78±9.1 |
| PaCO2, mmHg | 41±6.5 | 42±5.1 |
| FEV1, POD 1, L | 2.2±0.4 | 1.8±0.5 |
| FEV1, POD 2, L | 2.3±0.5 | 2.0±0.3 |
| Rescue analgesics | ||
| n(%) | 29 (72.5) | 37 (92.5) |
| Doses | 63 | 101 |
Data are presented as mean±SD or n(%). PaO2=Partial pressure of arterial oxygen, PaCO2=partial pressure of carbon dioxide, POD=Postoperative day, FEV1=Forced expiratory volume in 1 s, SD=Standard deviation
