Table 3. Univariate and multivariate analysis of clinicopathological factors for survival in 75 postoperative PC patients.
| Parameters | Median survival (days) | Univariate analysis P (log rank) | Multivariate analysis hazard ratio (95% CI) | P |
|---|---|---|---|---|
| Age (<65/≥65 years) | 455/420 | 0.177 | ||
| Gender (male/female) | 454/320 | 0.560 | ||
| Tumor location (Head/Body-tail) | 455/316 | 0.123 | ||
| Tumor size (<2.5/≥2.5 cm) | 790/418 | 0.093 | ||
| well/poor and moderate Differentiation | 520/321 | 0.085 | ||
| T stage (T1+T2/ T3+T4) | 615/380 | 0.161 | ||
| Lymph nodes metastasis (N0/N1) | 458/291 | 0.070 | ||
| TNM stage (I+IIA/IIB+III) | 460/280 | 0.031 | 1.328(0.731-2.412) | 0.351 |
| Perineural invasion (absent/present) | 421/418 | 0.443 | ||
| Vascular permeation (absent/present) | 468/320 | 0.089 | ||
| CA19-9 level (<37 U/ml/ ≥37 U/ml) | 468/380 | 0.158 | ||
| Postoperative Liver metastasis (negative /positive) | 555/291 | 0.001 | 2.241(1.185-4.237) | 0.013 |
| MSI2 expression (positive/negative) | 317/730 | 0.007 | 1.985(1.016-3.880) | 0.045 |
| Numb expression (positive/negative) | 790/320 | 0.003 | 0.456(0.231-0.901) | 0.024 |