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Table 2 Perioperative outcomes

From: Video-assisted thoracoscopic lobectomy versus open lobectomy in the treatment of large lung cancer: propensity-score matched analysis

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%)  
  1. Data are presented as number (%) or median (interquartile range)