Research Article
Clinical and Oncological Value of Preoperative BMI in Gastric Cancer Patients: A Single Center Experience
Table 1
Clinicopathological features of normal (BMI < 25 kg/m2), overweight (BMI 25–30 kg/m2), and obese (BMI ≥ 30 kg/m2) patients.
| | Total | Group A | Group B | Group C | value |
| Patient () | 378 | 218 | 121 | 39 | | BMI (median) | 24.03 | 22.05 | 27.00 | 31.62 | <0.001 | Age, y (median) | 66 | 67.2 | 67 | 63 | 0.111 (Kruskal) | Sex (male, female) | 223 : 155 | 116 : 102 | 84 : 37 | 23 : 16 | 0.015 () | Diabetes (yes, no) | 51 : 319 | 23 : 192 | 15 : 101 | 13 : 26 | <0.001 () | Missing | 8 | | | | | | | | pT | | | | | | | | 0.945 () | 1a | 42 | 25 | 11.5% | 13 | 10.7% | 4 | 10.3% | | 1b | 30 | 17 | 7.8% | 10 | 8.3% | 3 | 7.7% | | 2 | 53 | 25 | 11.5% | 23 | 19.0% | 5 | 12.8% | | 3 | 72 | 44 | 20.2% | 21 | 17.4% | 7 | 17.9% | | 4a | 162 | 94 | 43.1% | 50 | 41.3% | 18 | 46.2% | | 4b | 18 | 12 | 5.5% | 4 | 3.3% | 2 | 5.1% | | Missing | 1 | 1 | 0.5% | | | | | | pN | | | | | | | | 0.132 () | 0 | 136 | 81 | 37.2% | 45 | 37.2% | 10 | 25.6% | | 1 | 39 | 16 | 7.3% | 15 | 12.4% | 8 | 20.5% | | 2 | 51 | 35 | 16.1% | 12 | 9.9% | 4 | 10.3% | | 3a | 72 | 35 | 16.1% | 28 | 23.1% | 9 | 23.1% | | 3b | 78 | 49 | 22.5% | 21 | 17.4% | 8 | 20.5% | | Missing | 2 | 2 | 0.9% | | | | | | Tumor site | | | | | | | | 0.514 () | Upper third | 53 | 28 | 12.8% | 17 | 14.0% | 8 | 20.5% | | Middle third | 104 | 57 | 26.1% | 39 | 32.2% | 8 | 20.5% | | Lower third | 193 | 113 | 51.8% | 59 | 48.8% | 21 | 53.8% | | Diffuse | 16 | 10 | 4.6% | 5 | 4.1% | 1 | 2.6% | | Gastric stump | 10 | 9 | 4.1% | 0 | | 1 | 2.6% | | Missing | 2 | 1 | 0.5% | 1 | 0.8% | 0 | | | Lauren | | | | | | | | 0.318 () | Diffuse | 104 | 65 | 29.8% | 24 | 19.8% | 15 | 38.5% | | Intestinal | 227 | 126 | 57.8% | 82 | 67.8% | 19 | 48.7% | | Mixed | 35 | 20 | 9.2% | 11 | 9.1% | 4 | 10.3% | | Missing | 12 | 7 | 3.2% | 4 | 3.3% | 1 | 2.6% | | Morbidity | | | | | | | | 0.803 () | Yes | 114 | 63 | 28.9% | 38 | 31.4% | 13 | 33.3% | | No | 264 | 155 | 71.1% | 83 | 68.6% | 26 | 66.7% | | Major morbidity | | | | | | | | 0.696 () | Yes | 87 | 47 | 21.6% | 31 | 25.6% | 9 | 23.1% | | No | 291 | 171 | 78.4% | 90 | 74.4% | 30 | 76.9% | | Postoperative death | | | | | | | | 0.263 () | Yes | 14 | 11 | 5.0% | 2 | 1.7% | 1 | 2.6% | | No | 364 | 207 | 95.0% | 119 | 98.3% | 38 | 97.4% | | Hospital stay, days: median | 11 | 12 | 12 | 11 | 0.356 (Kruskal) | Examined lymph nodes (median) | 35 | 37 | 33 | 35 | 0.059 (Kruskal) | Metastatic lymph nodes (median) | 4 | 4 | 3 | 5 | 0.586 (Kruskal) |
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