Table 2. Postoperative outcomes.
| Variables | M-VATS (n=70) | U-VATS (n=142) | P value |
|---|---|---|---|
| Operation time (min) | 165±19 | 152±18 | 0.15 |
| Blood loss (mL) | 65±11 | 72±12 | 0.44 |
| The number of dissected LN | 20±5 | 20±5 | 0.47 |
| Drainage duration (days) | 1.8±0.9 | 1.9±0.8 | 0.54 |
| Hospital stay after op. (days) | 8.4±1.2 | 7.8±1.4 | 0.09 |
| Conversion to thoracotomy (%) | 4 (5.7) | 10 (7.0) | 0.48 |
| Morbidity (%) | 6 (8.6) | 12 (8.4) | 0.67 |
| Mortality (%) | 0 (0) | 0 (0) |
Data are presented as mean ± SD or number (percentage). Postoperative complications were including with prolonged air leak, pneumonia, atelectasis and wound infection. M-VATS, multi-port video-assisted thoracoscopic surgery; U-VATS, uniportal video-assisted thoracoscopic surgery.