Table 4.
Comparison of the clinicopathological characteristics in subgroup analysis
| 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 |
M male, F female, D distal gastrectomy, T total gatrectomy