Table 2.
Perioperative outcomes of all included patients (n = 664)
| Variable | Value |
|---|---|
| Surgical procedure | |
| Pneumonectomy | 30 (4.5) |
| Lobectomy | 564 (84.9) |
| Sleeve lobectomy | 48 (7.2) |
| Segmentectomy | 5 (0.8) |
| Wedge resection | 17 (2.6) |
| Surgical margin | |
| R0 | 624 (94.0) |
| R1 | 10 (1.5) |
| R2 | 30 (4.5) |
| pN status (based on surgical specimens) | |
| N0 | 51 (7.68) |
| N1 | 69 (10.39) |
| N2 | 521 (78.46) |
| Single-station metastasis | 278 (53.35) |
| Multi-station metastasis | 243 (46.64) |
| N3 | 23 (3.46) |
| pTNM stage | |
| IIIA | 569 (91.19) |
| IIIB | 55 (8.81) |
| IIIC | 0 |
| Duration of perioperative hospital stay (days), median (i.q.r.) | 17.0 (14.0–22.0) |
| Major postoperative complications | |
| Intraoperative blood loss ≥500 ml | 7 (1.1) |
| Prolonged air leak* | 71 (10.7) |
| Postoperative pneumonia | 46 (6.9) |
| Cardiac events | |
| Cardiac arrhythmia | 9 (1.4) |
| Postoperative atrial fibrillation | 2 (0.3) |
| Myocardial infarction | 2 (0.3) |
| Wound infection | 3 (0.5) |
| Acute respiratory failure | 2 (0.3) |
| Pulmonary thromboembolism | 3 (0.5) |
| Chylothorax | 3 (0.5) |
| Bronchopleural fistula | 1 (0.2) |
| Broncho-oesophageal fistula | 1 (0.2) |
| Vocal cord palsy/recurrent laryngeal nerve paralysis | 3 (0.5) |
| Grade III adverse event | 13 (2.0) |
Values are n (%) unless otherwise indicated. *A prolonged air leak was defined as a leak lasting more than 5 days. R0, R0 resection with negative margin; R1, R1 resection with microscopically positive margins; R2, R2 resection with macroscopically positive margins.