Table 1 Baseline characteristics of patients among three groups
Group P (n = 30) | Group L (n = 28) | Group C (n = 30) | P | |
|---|---|---|---|---|
Age (years) | 63.2 ± 6.0 | 63.0 ± 6.0 | 60.1 ± 10.6 | 0.111 |
Male, n (%) | 25 (83.3%) | 23 (82.1%) | 24 (80%) | 0.944 |
Body mass index (BMI) | 22.6 ± 3.2 | 23.6 ± 6.3 | 23.1 ± 2.8 | 0.506 |
ASA | 0.588 | |||
II | 30 | 27 | 29 | |
III | 0 | 1 | 1 | |
OLV duration (min) | 177 ± 44 | 172 ± 44 | 171 ± 50 | 0.862 |
Surgery duration (min) | 214 ± 66 | 206 ± 53 | 215 ± 46 | 0.778 |
Room air PaO2 (mmHg) | 81 ± 9 | 79 ± 9 | 79 ± 8 | 0.633 |
Pulmonary function test | ||||
FVC (L) | 3.4 ± 0.5 | 3.5 ± 0.5 | 3.3 ± 0.5 | 0.322 |
FVC (%, predicted) | 93.7 ± 5.4 | 94.8 ± 5.3 | 95.3 ± 5.3 | 0.531 |
FEV1 (L) | 3.1 ± 0.3 | 3.2 ± 0.2 | 3.1 ± 0.3 | 0.179 |
FEV1 (%, predicted) | 94.3 ± 5.4 | 95.8 ± 5.2 | 95.6 ± 5.2 | 0.525 |
FEV1/FVC ratio (%) | 94.2 ± 7.4 | 93.8 ± 6.6 | 92.9 ± 7.1 | 0.761 |
TNM stage (n) | 0.907 | |||
T1N0M0/T2N0M0/T1N1M0 | 17/8/2 | 18/7/1 | 17/7/3 | |
T2N1M0/T2N2M0/T3N0M0 | 1/1/1 | 1/1/0 | 1/1/1 | |