Table 6.
Perioperative outcomes after propensity matching
| Characteristic | Open approach (n = 50) | VATS approach (n = 50) | P-value |
|---|---|---|---|
| 30-day mortality (n, %) | 3 (6) | 2 (4) | 1.00 |
| 90-day mortality (n, %) | 4 (8) | 7 (14) | 0.53 |
| Length of hospitalization, median (IQR), days | 5 (4-6) | 5 (4-6) | 0.10 |
| Chest tube duration, median (IQR)12, days | 2 (1-2) | 1 (1-2) | 0.04 |
| Estimated blood loss (mean ± SD) (mL)13 | 378 ± 221 | 395 ± 408 | 0.48 |
| Length of surgery (mean ± SD) (min)14 | 239 ± 92 | 272 ± 93 | 0.14 |
| Acute pain syndrome (n, %)15 | 5 (10) | 4 (8) | 0.75 |
| Lymph nodes dissected (mean ± SD)16 | 12.9 ± 9.8 | 20 ± 15.5 | 0.01 |
| Lymph node stations dissected (mean ± SD) | 4.8 ± 2.3 | 4.9 ± 4.1 | 0.56 |
| N2 stations dissected (mean ± SD) | 3.7 ± 1.6 | 4.9 ± 1.9 | 0.001 |
| Overall morbidity (n, %) | 12 (24) | 14 (28) | 0.65 |
| Atrial fibrillation | 10 (20) | 11 (22) | 0.81 |
| Bronchopleural fistula | 1 (2) | 1 (2) | 1.00 |
| Empyema | 0 (0) | 0 (0) | 1.00 |
| Pneumonia | 3 (6) | 4 (8) | 1.00 |
| Pericardial effusion | 1 (2) | 3 (6) | 0.62 |
| Myocardial infarction | 0 (0) | 0 (0) | 1.00 |
12
Data only available for 79 of 100 patients (open: n = 41, VATS: n = 38)
13
Data only available for 68 of 100 patients (open: n = 19, VATS: n = 49)
14
Data only available for 77 of 100 patients (open: n = 28, VATS: n = 49)
15
Data only available for 99 of 100 patients (open: n = 50, VATS: n = 99)
16
Data only available for 90 of 100 patients (open: n = 44, VATS: n = 46)