Table 4. Postoperative complications and outcomes.
| Complications/outcomes | Robotic (n=61) | VATS (n=105) | P value |
|---|---|---|---|
| Atrial fibrillation | 6 (9.84%) | 7 (6.67%) | 0.5522 |
| Prolonged air leak, ≥7 d | 9 (14.75%) | 4 (3.81%) | 0.0161 |
| Postoperative bleeding requiring reoperation | 1 (1.64%) | 1 (0.95%) | 1.0000 |
| Pneumonia | 3 (4.92%) | 3 (2.86%) | 0.6702 |
| Pulmonary edema | 1 (1.64%) | 0 (0.00%) | 0.3675 |
| Pulmonary embolism | 0 (0.00%) | 1 (0.95%) | 1.0000 |
| Atelectasis requiring bronchoscopy | 6 (9.84%) | 3 (2.86%) | 0.0762 |
| Chylothorax | 0 (0.00%) | 1 (0.95%) | 1.0000 |
| Cardiorespiratory failure | 1 (1.64%) | 3 (2.86%) | 1.0000 |
| Wound infection | 0 (0.0%) | 1 (0.95%) | 1.0000 |
| Renal insufficiency | 2 (3.28%) | 3 (2.86%) | 1.0000 |
| Clostridium difficile | 1 (1.64%) | 1 (0.95%) | 1.0000 |
| GI bleeding | 1 (1.64%) | 0 (0.0%) | 0.3675 |
| 30-day readmission | 4 (6.56%) | 5 (4.76%) | 0.7262 |
| 30-day reoperation | 1 (1.64%) | 3 (2.86%) | 1.0000 |
| Postoperative mortality | 1 (1.64%) | 3 (2.86%) | 1.0000 |
| Patient without complications | 42 (68.85%) | 87 (82.86%) | 0.0522 |
| Chest tube duration, d median (interquartile range) | 2.0 (2.0) | 2.0 (1.0) | 0.1308 |
| Length of hospital stay, d median (interquartile range) | 4.0 (4.0) | 3.0 (2.0) | 0.0123 |
| N1 lymph nodes resected median (interquartile range) | 3.0 (4.0) | 3.0 (3.0) | 0.2684 |
Categorical variables were reported as number (%), and analyzed using Fisher’s exact test. Continuous variables were reported as median (interquartile range) and analyzed using Mann-Whitney U test. VATS, video-assisted thoracoscopic surgery; GI, gastrointestinal bleeding.