Table 1.
Preoperative demographic characteristics of the patients
| VCV (n=22) | PCV (n=21) | PCV-VG (n=21) | |
|---|---|---|---|
| Age. Yr | 70.2±5.2 | 69.7±4.5 | 72.2±5.9 |
| Sex. M/F | 14/8 | 13/8 | 14/7 |
| Body weight, kg | 59.1±9.4 | 61.0±10.5 | 62.1±9.3 |
| Height, cm | 164.3±8.8 | 163.7±9.3 | 168.3±9.6 |
| BMI (kg/m2) | 25.1±4.3 | 26.3±6.6 | 24.5±5.9 |
| Side (right/left) (n) | 12/10 | 11/10 | 12/9 |
| PaO2 (mmHg) | 79.3±7.8 | 77.6±6.9 | 80.3±8.8 |
| PaCO2 (mmHg) | 44.3±6.1 | 43.8±4.7 | 42.3±6.5 |
| Predicted FVC % | 78.2±11.4 | 79.1±10.7 | 80.2±9.8 |
| Predicted FEV1 % | 73.9±8.0 | 74.2±9.6 | 75.0±10.1 |
Data are shown as mean ± SD. FEV1=forced expiratory volume in 1 second; FVC=forced vital capacity; PaO2=arterial blood oxygen tension; PaCO2=arterial blood carbon dioxide tension. BMI=body mass index. *P<0.05 (1VCV v others periods).