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Table 4 Comparison of the clinicopathological characteristics 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
Age (years) 58.7 ± 11.0 57.7 ± 11.0 0.08 58.6 ± 10.9 57.9 ± 11.2 0.26 59.1 ± 11.3 57.4 ± 10.7 0.12
Gender (M/F) 478/246 619/348 0.39 351/206 426/272 0.47 127/40 193/76 0.32
ASA(I/II/III) 339/353/32 480/439/48 0.39 259/276/22 334/334/30 0.82 80/77/10 146/105/18 0.36
Tumor size (cm) 3.7 ± 1.7 3.6 ± 1.7 0.22 3.7 ± 1.7 3.6 ± 1.6 0.36 3.8 ± 1.6 3.6 ± 1.7 0.40
TNM stage (I/II/III) 398/149/177 468/229/270 0.03 309/113/135 346/162/190 0.12 89/36/42 122/67/80 0.28
Surgical extension (D/T) 416/308 789/178 <0.01 308/249 561/137 <0.01 108/59 228/41 <0.01
  1. M male, F female, D distal gastrectomy, T total gatrectomy