Table 2.
Univariate analysis of prognostic factors influencing survival rate
| Characteristics | Cases | Median survival time (month) (95% CI) | Five‐year survival rate (%) | P |
|---|---|---|---|---|
| Gender | 0.1020 | |||
| Male | 328 | 26.67 (13.44, 33.32) | 65.36 | — |
| Female | 91 | 28.25 (12.44, 34.11) | 68.14 | — |
| Age (years) | 0.0646 | |||
| ≤ 65 | 152 | 32.93 (12.35, 44.25) | 53.27 | — |
| > 65 | 267 | 30.78 (11.76, 41.16) | 56.93 | — |
| Differentiation | 0.2638 | |||
| Lower | 115 | 28.83 (18.76, 35.83) | 65.27 | — |
| Middle | 219 | 26.24 (15.64, 25.56) | 62.83 | — |
| High | 85 | 25.89 (12.88, 23.52) | 59.63 | — |
| Tumor location | 0.5868 | |||
| Upper | 179 | 32.38 (19.38, 36.85) | 62.16 | — |
| Middle | 216 | 31.63 (17.38, 34.18) | 61.28 | — |
| Lower | 24 | 30.23 (15.93, 37.93) | 58.37 | — |
| Tumor diameter (cm) | 0.7060 | |||
| ≤ 3 | 298 | 33.89 (19.37, 37.12) | 70.28 | — |
| > 3 | 121 | 31.63 (17.37, 34.99) | 67.39 | — |
| pT | 0.4749 | |||
| T1 | 77 | 27.32 (13.68, 37.52) | 67.82 | — |
| T2 | 107 | 28.52 (11.61, 35.40) | 63.39 | — |
| T3 | 235 | 27.76 (9.81, 31.86) | 61.28 | — |
| pN | 0.0008 | |||
| N0 | 253 | 36.82 (19.23, 42.26) | 68.26 | — |
| N1–3 | 166 | 28.03 (15.43, 34.13) | 46.38 | — |
| TNM stage | ||||
| I | 87 | 36.28 (20.87, 48.25) | 65.12 | 0.0071 |
| II | 213 | 34.24 (17.05, 42.73) | 53.29 | — |
| III | 119 | 27.96 (13.26, 30.97) | 38.36 | — |
| Smoking | ||||
| Yes | 245 | 32.28 (17.63, 40.67) | 46.39 | 0.2345 |
| No | 174 | 34.03 (19.12, 42.23) | 52.91 | |
| Alcohol consumption | — | — | 0.1309 | |
| Yes | 252 | 31.93 (18.87, 39.46) | 59.39 | |
| No | 167 | 30.87 (20.11, 41.30) | 54.83 | |
| Chemotherapy | — | — | 0.314 | |
| Yes | 272 | 27.38 (14.35, 36.13) | 65.33 | |
| No | 147 | 26.84 (16.12, 35.60) | 55.27 | |
| Radiotherapy | — | — | 0.0236 | |
| Yes | 110 | 22.93 (12.23, 28.98) | 65.38 | |
| No | 309 | 26.38 (16.21, 34.36) | 43.47 | |
| Neutrophil count, 109 | — | — | 0.3300 | |
| ≥ 6.5 | 174 | 30.29 (23.87, 44.26) | 45.38 | |
| < 6.5 | 245 | 32.88 (25.60, 46.69) | 42.82 | |
| Lymphocyte count, 109 | — | — | 0.5957 | |
| ≥ 1 | 111 | 26.09 (13.63, 35.82) | 54.39 | |
| < 1 | 298 | 27.82 (11.04, 36.33) | 52.82 | |
| NLR | — | — | 0.0381 | |
| ≥ 2.9980 | 252 | 24.83 (20.74, 35.83) | 45.39 | |
| < 2.9980 | 167 | 28.94 (24.68, 38.96) | 41.28 |
CI, confidence interval; NLR, neutrophil‐to‐lymphocyte ratio; TNM, tumor node metastasis.