Table 5. Perioperative outcomes and complications of the propensity score-matched patients.
| Variable | Sublobar resection (n=122) | Lobectomy (n=122) | P value |
|---|---|---|---|
| Perioperative outcomes | |||
| Positive surgical margin, n (%) | 1 (0.8) | 0 (0.0) | 0.3163 |
| Lymph node dissection, n (%) | 80 (65.6) | 117 (95.9) | <0.0001 |
| N1 | 60 (49.2) | 108 (88.5) | <0.0001 |
| N2 | 75 (61.5) | 114 (93.4) | <0.0001 |
| Number of lymph node dissection | 6.9±5.1 | 11.3±6.5 | <0.0001 |
| N1 | 3.0±1.9 | 65.5±3.4 | <0.0001 |
| N2 | 5.0±3.9 | 6.3±4.8 | 0.0269 |
| Operation time (min) | 96.2±46.0 | 136.2±47.8 | <0.0001 |
| Intraoperative blood loss (mL) | 53.6±72.3 | 83.1±65.3 | <0.0001 |
| Chest drainage (days) | 4.8±3.4 | 5.4±2.5 | <0.0001 |
| Hospital stay (days) | 6.3±3.7 | 6.9±2.9 | 0.0049 |
| Perioperative complications, n (%) | 4 (3.3) | 0 (0.0) | 0.0437 |
| Pleural effusion | 4 (3.3) | 0 (0.0) | |
| Pneumonia | 3 (2.5) | 0 (0.0) | |
| Pneumothorax | 2 (1.6) | 0 (0.0) | |
| Overall mortality, n (%)* | 1 (0.8) | 2 (1.6) | 0.5917 |
*, log-rank test is performed for statistical analysis.