Table 3.
Risk factors for postoperative complication and reoperation
| Total (n = 210) | Any complication (n = 93) | Reoperation (n = 12) | |||||
|---|---|---|---|---|---|---|---|
| n | n | % | P a | n | % | P a | |
| Age | 0.78 | 0.54 | |||||
| <65 | 129 | 56 | 43.4 | 6 | 4.7 | ||
| ≥65 | 81 | 37 | 45.7 | 6 | 7.4 | ||
| Gender | 1.00 | 1.00 | |||||
| Male | 175 | 78 | 44.6 | 10 | 5.7 | ||
| Female | 35 | 15 | 42.9 | 2 | 5.7 | ||
| Body mass index | 0.73 | 0.71 | |||||
| <25 | 168 | 73 | 43.5 | 9 | 5.4 | ||
| ≥25 | 42 | 20 | 47.6 | 3 | 7.1 | ||
| Tumor location | 0.43 | 0.093 | |||||
| Upper thoracic | 27 | 14 | 51.9 | 4 | 14.8 | ||
| Mid-thoracic | 132 | 60 | 45.5 | 5 | 3.8 | ||
| Lower thoracic | 51 | 19 | 37.3 | 3 | 5.9 | ||
| Tumor size | 0.29 | 0.11 | |||||
| ≤4 cm | 146 | 61 | 41.8 | 11 | 7.5 | ||
| >4 cm | 64 | 32 | 50.0 | 1 | 1.6 | ||
| Lymphadenectomy | 0.20 | 0.54 | |||||
| Two-field | 81 | 31 | 38.3 | 6 | 7.4 | ||
| Three-field | 129 | 62 | 48.1 | 6 | 4.7 | ||
| Thoracic approach | 1.00 | 0.016 | |||||
| Open | 109 | 48 | 44.0 | 2 | 1.8 | ||
| Thoracoscopy | 101 | 45 | 44.6 | 10 | 9.9 | ||
| Abdominal approach | 0.88 | 0.20 | |||||
| Open | 145 | 65 | 44.8 | 6 | 4.1 | ||
| Laparoscopy | 65 | 28 | 43.1 | 6 | 9.2 | ||
aFisher’s exact test