Table 1.
Univariate survival analysis of MLR and clinicopathological characteristics in 236 patients undergoing curative surgery
| Characteristics | n | Median survival time (mo) | 5-yr survival (%) | χ2 | P |
| Gender | 4.26 | 0.0389 | |||
| Male | 197 | 45 | 36.3 | ||
| Female | 39 | 51 | 43.6 | ||
| Age (yr) | 1.18 | 0.2777 | |||
| < 60 | 103 | 45 | 39.0 | ||
| ≥ 60 | 133 | 46 | 36.6 | ||
| Tumor size (cm) | 18.48 | 0.0000 | |||
| < 3 | 88 | 60 | 45.5 | ||
| 3-6 | 97 | 47 | 39.7 | ||
| > 6 | 51 | 32 | 18.1 | ||
| Borrmann’s type1 | 7.41 | 0.0065 | |||
| BorrmannI, II | 172 | 50 | 41.7 | ||
| Borrmann III, IV | 64 | 41 | 26.5 | ||
| Histological type | 5.07 | 0.0243 | |||
| Differentiated | 213 | 47 | 38.9 | ||
| Undifferentiated | 23 | 35 | 19.9 | ||
| pT category | 49.42 | 0.0000 | |||
| pT2 | 25 | 72 | 84.0 | ||
| pT3 | 118 | 54 | 40.2 | ||
| pT4 | 93 | 29 | 20.8 | ||
| pN category | 87.7 | 0.0000 | |||
| pN0 | 42 | 65 | 73.2 | ||
| pN1 | 97 | 55 | 42.4 | ||
| pN2 | 68 | 27 | 19.9 | ||
| pN3 | 29 | 17 | 0.0 | ||
| Num of dissected LNs | 8.22 | 0.0042 | |||
| < 15 | 36 | 27 | 22.4 | ||
| ≥ 15 | 200 | 49 | 39.1 | ||
| MLR | 34.3 | 0.0000 | |||
| < 10% | 59 | 63 | 60.5 | ||
| ~ 20% | 58 | 46 | 34.1 | ||
| ~ 30% | 33 | 44 | 33.5 | ||
| > 30% | 86 | 28 | 21.0 | ||
| Type of gastrectomy | 2.98 | 0.0844 | |||
| TG | 190 | 46 | 39.3 | ||
| PSG | 46 | 45 | 31.3 |
1
Borrmann’s type: Macroscopic appearances of primary tumor, classified as TypeI: polypoid tumors; Type II: ulcerated carcinomas with demarcated and raised margins; Type III: ulcerated carcinomas without definite limits, infiltrating into the surrounding wall; Type IV: diffusely infiltrating carcinomas.