Table 2. Baseline patient characteristics according to presence or absence of sarcopenia.
| Factors | Non-sarcopenia (n=236) | Sarcopenia (n=79) | P value* |
|---|---|---|---|
| Age at surgery (years) | 70.2±7.5 | 70.4±5.0 | 0.197 |
| Smoking habit (pack-years) | 410±480 | 720±520 | 0.468 |
| Body mass index (kg/m2) | 22.60±1.75 | 22.20±2.07 | 0.144 |
| Male (%) | 142 (60.2) | 46 (58.2) | 1.000 |
| Diabetes mellitus (%) | 24 (10.2) | 12 (15.2) | 0.352 |
| FVC (L) | 3.10±0.59 | 2.93±0.52 | 0.064 |
| %FVC | 110.0±11.8 | 107.0±12.7 | 0.069 |
| FEV1 (L) | 2.32±0.50 | 1.97±0.28 | <0.001 |
| FEV1/FVC (%) | 74.60±6.43 | 72.90±6.50 | 0.160 |
| Tumor diameter on HRCT (cm) | 2.50±0.84 | 2.50±0.68 | 0.822 |
*, 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.