From: Impact of body mass index on surgical outcomes of gastric cancer
Characteristics | Low BMI (n = 107) | Normal BMI (n = 862) | High BMI (n = 241) | P value |
---|---|---|---|---|
Gender | ||||
 Male | 83 | 677 | 189 | 0.974 |
 Female | 24 | 185 | 52 | |
Age | ||||
  ≤ 60 | 66 | 501 | 134 | 0.558 |
  > 60 | 41 | 361 | 107 | |
Tumor location | ||||
 Upper third | 33 | 300 | 92 | 0.327 |
 Middle third | 15 | 155 | 31 | |
 Lower third | 53 | 349 | 100 | |
 Entire | 6 | 58 | 18 | |
Tumor size (cm) | ||||
  ≤ 5 | 61 | 574 | 175 | 0.016 |
  > 5 | 46 | 288 | 66 | |
Borrmann type | ||||
 I | 19 | 102 | 34 | 0.498 |
 II | 29 | 232 | 59 | |
 III | 37 | 305 | 84 | |
 IV | 12 | 64 | 13 | |
Pathological type | ||||
 Well differentiated | 6 | 74 | 24 | 0.511 |
 Moderately differentiated | 22 | 218 | 68 | |
 Poorly differentiated | 74 | 540 | 140 | |
 Signet ring cell or Mucinous | 5 | 30 | 9 | |
Type of gastrectomy | ||||
 Proximal | 7 | 78 | 25 | 0.594 |
 Distal | 41 | 316 | 97 | |
 Total | 59 | 468 | 119 | |
Tumor depth | ||||
 T1 | 10 | 161 | 52 | 0.047 |
 T2 | 10 | 71 | 30 | |
 T3 | 39 | 308 | 86 | |
 T4a | 46 | 315 | 72 | |
 T4b | 2 | 7 | 1 | |
Lymph node metastasis | ||||
 N0 | 23 | 291 | 99 | 0.005 |
 N1 | 20 | 141 | 49 | |
 N2 | 20 | 153 | 33 | |
 N3a | 26 | 182 | 45 | |
 N3b | 18 | 95 | 15 | |
Tumor stage | ||||
 Ia | 8 | 140 | 47 | 0.006 |
 Ib | 3 | 50 | 17 | |
 IIa | 10 | 100 | 34 | |
 IIb | 19 | 122 | 45 | |
 IIIa | 21 | 109 | 27 | |
 IIIb | 16 | 163 | 37 | |
 IIIc | 30 | 178 | 34 |