Table 3. Baseline patient characteristics according to presence or absence of postoperative complications.
| Factors | Complication (n=82) | No complication (n=233) | P value* |
|---|---|---|---|
| Age at surgery (years) | 71.2±5.3 | 70.3±6.5 | 0.242 |
| Smoking index (pack-years) | 920±475 | 300±450 | <0.001 |
| Body mass index (kg/m2) | 21.90±1.95 | 22.70±1.76 | 0.027 |
| Male (%) | 65 (79.3) | 127 (54.3) | <0.001 |
| Diabetes mellitus (%) | 12 (14.6) | 26 (11.1) | 0.453 |
| Sarcopenia | 53 (64.6) | 26 (11.1) | <0.001 |
| FVC (L) | 3.23±0.58 | 2.99±0.53 | 0.057 |
| %FVC | 106.0±13.4 | 110.0±11.8 | 0.189 |
| FEV1 (L) | 2.07±0.55 | 2.21±0.49 | 0.899 |
| FEV1/FVC (%) | 72.10±9.88 | 74.60±5.78 | 0.059 |
| Tumor diameter on HRCT (cm) | 2.51±0.60 | 2.46±0.72 | 0.117 |
*, Mann-Whitney U-test for non-categorical factors and Fischer’s exact test for categorical factors. FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; HRCT, high resolution computed tomography.