Table 2 Perioperative outcomes
Variables | Unmatched cohort | Propensity score-matched cohort | ||||
|---|---|---|---|---|---|---|
Thoracotomy (n = 223) | VATS (n = 132) | P value | Thoracotomy (n = 102) | VATS (n = 102) | P value | |
Harvested LN number | 22 (16.0–30.0) | 16 (12.0–22.0) | < 0.001 | 22.5 (17.0–29.8) | 16 (11.0–22.8) | < 0.001 |
Bronchial margin | ||||||
R0 | 222 (99.6%) | 132 (100%) | > 0.999 | 111 (100%) | 111 (100%) | > 0.999 |
R1 | 1 (0.4%) | 0 (0.0%) | 0 (0%) | 0 (0%) | ||
Hospital length of stay | 8 (6.0–11.0) | 6 (5.0–8.0) | < 0.001 | 7 (6.0–10.0) | 6 (5.0–8.0) | < 0.001 |
30-day morbidity | 94 (42.2%) | 42 (31.8%) | 0.053 | 41 (40.2%) | 32 (31.4%) | 0.188 |
30-day mortality | 2 (0.9%) | 0 (0.0%) | 0.147 | 1 (1%) | 0 (0%) | > 0.999 |
Pathologic tumor size | 60 (52.5–74) | 55 (45–64.5) | < 0.001 | 55.5 (50–65) | 56 (48–65) | 0.348 |
Pathologic N stage | ||||||
pN0 | 169 (75.8%) | 106 (80.3%) | 0.147 | 72 (70.6%) | 86 (84.3%) | 0.143 |
pN1 | 29 (13.0%) | 9 (6.8%) | 18 (17.6%) | 5 (4.9%) | ||
pN2 | 25 (11.2%) | 16 (12.1%) | 12 (11.8%) | 11 (10.8%) | ||
Visceral pleural invasion | 38 (17.0%) | 28 (21.2%) | 0.404 | 25 (24.5%) | 23 (22.5%) | 0.864 |
Adjuvant treatment | ||||||
No adjuvant treatment | 93 (41.7%) | 65 (49.2%) | 0.204 | 43 (42.2%) | 53 (52%) | 0.262 |
Chemotherapy | 110 (49.3%) | 62 (47%) | 52 (51%) | 46 (45.1%) | ||
Radiotherapy | 7 (3.1%) | 1 (0.7%) | 1 (1%) | 1 (1%) | ||
Chemoradiotherapy | 13 (5.8%) | 4 (3%) | 6 (5.9%) | 2 (2%) | ||