Table 2.
Univariate logistics regression analysis of risk factors for the 3-year survival
| Variable |
Training set |
|||
| OR | 95CI | P value | ||
| Age (yr) | ||||
| < 57 | REF | |||
| 57-74 | 0.38 | 0.25 | 0.58 | < 0.001 |
| > 74 | 0.63 | 0.42 | 0.93 | 0.020 |
| Sex | ||||
| Male | REF | |||
| Female | 0.96 | 0.72 | 1.29 | 0.782 |
| BMI | ||||
| < 18.5 | REF | |||
| 18.5-23.5 | 3.04 | 1.90 | 4.85 | < 0.001 |
| > 23.5 | 1.28 357 | 0.95 | 1.73 | 0.111 |
| CEA | ||||
| < 2.8 | REF | |||
| 2.8-4.8 | 0.33 | 0.24 | 0.45 | < 0.001 |
| > 4.8 | 0.46 | 0.31 | 0.67 | < 0.001 |
| CA199 | ||||
| < 15.0 | REF | |||
| 15.0-39.2 | 0.20 | 0.14 | 0.29 | < 0.001 |
| > 39.2 | 0.33 | 0.22 | 0.50 | < 0.001 |
| AFP | ||||
| < 2 | REF | < 0.001 | ||
| 2-5.29 | 0.78 | 0.51 | 1.18 | 0.240 |
| > 5.3 | 0.50 | 0.33 | 0.74 | 0.001 |
| NLR | ||||
| < 1.91 | REF | |||
| 1.91-3.87 | 0.32 | 0.22 | 0.48 | < 0.001 |
| > 3.87 | 0.48 | 0.33 | 0.69 | < 0.001 |
| PLR | ||||
| < 89.5 | REF | |||
| 89.5-162.3 | 0.26 | 0.16 | 0.42 | < 0.001 |
| > 162.3 | 0.59 | 0.45 | 0.78 | < 0.001 |
| AGR | ||||
| < 6.59 | REF | |||
| 6.59-7.81 | 2.11 | 1.50 | 2.98 | < 0.001 |
| > 7.81 | 1.58 | 1.13 | 2.20 | 0.007 |
| PNI | ||||
| < 371 | REF | |||
| 371-430 | 3.98 | 2.62 | 6.06 | < 0.001 |
| > 430 | 1.94 | 1.29 | 2.92 | 0.002 |
| ASA | ||||
| I | REF | |||
| II | 0.44 | 0.24 | 0.79 | 0.006 |
| III-IV | 0.53 | 0.29 | 0.97 | 0.041 |
| Comorbidity | ||||
| No | REF | |||
| Yes | 0.99 | 0.74 | 1.31 | 0.933 |
| Primary site | ||||
| Lower | REF | |||
| Middle | 0.30 | 0.20 | 0.45 | < 0.001 |
| Upper | 0.54 | 0.35 | 0.83 | 0.001 |
| Overlapping lesion of the stomach | 0.47 | 0.31 | 0.73 | < 0.001 |
| Tumor size (mm) | ||||
| < 30 | REF | |||
| 30-60 | 0.08 | 0.06 | 0.13 | < 0.001 |
| > 60 | 0.43 | 0.31 | 0.60 | < 0.001 |
| cT | ||||
| T1 | REF | |||
| T2 | 0.05 | 0.02 | 0.13 | < 0.001 |
| T3 | 0.18 | 0.11 | 0.32 | < 0.001 |
| T4 | 0.24 | 0.17 | 0.34 | < 0.001 |
| cN | ||||
| N0 | REF | |||
| N1 | 0.18 | 0.12 | 0.27 | < 0.001 |
| N2 | 0.28 | 0.18 | 0.43 | < 0.001 |
| N3 | 0.67 | 0.44 | 1.007 | 0.054 |
BMI: Body mass index; CEA: Carcinoembryonic antigen; CA199: Carbohydrate antigen 19-9; AFP: Alpha fetoprotein; NLR: Neutrophil-lymphocyte ratio; PLR: Platelet-lymphocyte ratio; AGR: Albumin-globulin ratio; PNI: Prognostic nutrition index; ASA: American society of anesthesiologists; cT: Clinical T stage; cN: Clinical N stage; OR: Odds ratio; CI: Confidence interval.