Table 1 Characteristics of the patients
|  | TFV-H group (n = 120) | TFV-L group (n = 112) | p value | BMI-H group (n = 50) | BMI-L group (n = 182) | p value | |
|---|---|---|---|---|---|---|---|
Sex | Â | Â | Â | Â | Â | Â | |
 Male | 92 (76.7%) | 67 (59.8%) | 0.006 | 35 (70.0%) | 124 (68.1%) | 0.865 | |
 Female | 28 (23.3%) | 45 (40.2%) | 15 (30.0%) | 58 (31.9%) | |||
Age (years), (mean ± SD) | 70.1 ± 10.0 | 68.9 ± 12.8 | 0.411 | 66.8 ± 11.8 | 70.3 ± 11.3 | 0.056 | |
%TFV (%), (mean ± SD) | 219.7 ± 54.9 | 94.0 ± 38.5 |  < 0.001 | 289.1 ± 68.0 | 152.1 ± 69.1 |  < 0.001 | |
BMI (kg/m2), (mean ± SD) | 24.7 ± 3.2 | 20.3 ± 2.6 |  < 0.001 | 27.4 ± 3.1 | 21.2 ± 2.4 |  < 0.001 | |
Clinical stage | Â | Â | Â | Â | Â | Â | |
 I | 102 (85.0%) | 68 (60.7%) |  < 0.001 | 42 (84.0%) | 123 (70.3%) | 0.204 | |
 II A | 0 (0.0%) | 7 (6.3%) | 0 (0.0%) | 7 (3.9%) | |||
 II B | 12 (10.0%) | 25 (22.3%) | 5 (10.0%) | 32 (17.6%) | |||
 III | 6 (5.0%) | 12 (10.7%) | 4 (8.0%) | 15 (8.2%) | |||
Open gastrectomy | 24 (20.0%) | 45 (40.2%) |  < 0.001 | 7 (14.0%) | 62 (34.1%) | 0.005 | |
Total/proximal gastrectomy | 33 (27.5%) | 22 (19.6%) | 0.160 | 10 (20.0%) | 45 (24.7%) | 0.487 | |
LD | Â | Â | Â | Â | Â | Â | |
  ≤ D1 +  | 83 (69.2%) | 59 (52.7%) | 0.010 | 34 (68.1%) | 108 (59.3%) | 0.327 | |
 ≥ D2 | 37 (30.8%) | 53 (47.3%) | 16 (32.0%) | 74 (40.7%) | |||
CCI | Â | Â | Â | Â | Â | Â | |
  ≥ 3 | 12 (10.0%) | 4 (3.6%) | 0.054 | 7 (14.0%) | 9 (5.0%) | 0.025 | |
 ≤ 2 | 108 (90.0%) | 108 (96.4%) | 43 (86.0%) | 173 (95.0%) | |||
Operative history | 28 (23.3%) | 35 (31.3%) | 0.176 | 9 (18.0%) | 54 (29.7%) | 0.111 | |