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Table 1 Baseline characteristics of patients stratified for the surgical approach

From: Minimal invasive versus open esophagectomy for patients with esophageal squamous cell carcinoma after neoadjuvant treatments

  Mckeown esophagectomy  
Demographics Open surgery MIE P
Number (n) 75 120  
Age (y) 58.19 ± 7.82 56.76 ± 6.48 0.088
Sex
 Female 10 (13.3) 26 (21.7) 0.185
 Male 65 (86.7) 94 (78.3)  
Pretherapeutic clinical stage    0.862
 I 9 (12.0) 11 (9.2)  
 II 19 (25.3) 27 (22.5)  
 III 29 (38.7) 50 (41.7)  
 IV 18 (24.0) 32 (26.7)  
Neoadjuvant therapy    < 0.001
 Chemotherapy 47 (62.7) 30 (25.0)  
 Chemoradiation 28 (37.3) 90 (75.0)  
Operation date    0.003
 2010.1–2013.12 45 (60.0) 45 (37.5)  
 2014.1–2016.12 30 (40.0) 75 (62.5)  
R0 resection 75 (100.0) 120 (100.0) 1.000
Location    0.077
 Upper third 31 (41.3) 31 (25.8)  
 Middle third 29 (38.7) 59 (49.2)  
 Lower third 15 (20.0) 30 (25.0)  
Total resected LNs 30.44 ± 15.00 23.53 ± 10.15 < 0.001
Postoperative therapy
 No 48 (64.0) 93 (77.5) 0.059
 Yes 27 (36.0) 27 (22.5)  
  1. Data are mean ± SD or n (%)