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Table 6 Comparison of postoperative complications in subgroup analysis

From: Laparoscopic gastrectomy in obese gastric cancer patients: a comparative study with non-obese patients and evaluation of difference in laparoscopic methods

Variable Overall Non-obese Obese
LAG (n = 724) TLG (n = 967) P value LAG (n = 557) TLG (n = 698) P value LAG (n = 167) TLG (n = 269) P value
Overall complications (%) 77 (10.6) 86 (8.9) 0.23 56 (10.1) 63 (9.0) 0.54 21 (12.6) 23 (8.6) <0.01
Anastomotic leakage (%) 2 (0.3) 4 (0.4)   2 (0.4) 3 (0.4)   0 (0.0) 1 (0.4)  
Anastomotic stricture (%) 3 (0.4) 3 (0.3)   3 (0.5) 3 (0.4)   0 (0.0) 0 (0.0)  
Anastomotic bleeding (%) 4 (0.6) 5 (0.5)   4 (0.7) 4 (0.6)   0 (0.0) 1 (0.4)  
Intracorporeal hemorrhage (%) 7 (1.0) 6 (0.6)   6 (1.1) 5 (0.7)   1 (0.6) 1 (0.4)  
Abdominal abscess (%) 9 (1.2) 15 (1.6)   6 (1.1) 11 (1.6)   3 (1.8) 4 (1.5)  
Stasis (%) 12 (1.7) 17 (1.8)   7 (1.3) 11 (1.6)   5 (3.0) 6 (2.2)  
Pancreatic leakage (%) 7 (1.0) 7 (0.7)   7 (1.3) 7 (1.0)   0 (0.0) 0 (0.0)  
Ileus (%) 6 (0.8) 4 (0.4)   2 (0.4) 2 (0.3)   4 (2.4) 2 (0.7)  
Lymphorrhea (%) 9 (1.2) 8 (0.8)   7 (1.3) 7 (1.0)   2 (1.2) 1 (0.4)  
Wound infection (%) 5 (0.7) 2 (0.2)   2 (0.4) 0 (0.0)   3 (1.8) 2 (0.7)  
Others (%) 13 (1.8) 15 (1.6)   10 (1.8) 10 (1.4)   3 (1.8) 5 (1.9)  
  1. LAG laparoscopic-assisted gastrectomy, TLG totally laparoscopic gastrectomy