Table 4 Multivariate analysis for overall survival of gastric cancer patients using Cox proportional hazard model and a stepwise procedure
P value | Hazard ratio | 95% CI | |
|---|---|---|---|
Age (≥ 70 vs. < 70) | < 0.0001 | 3.922 | 2.519–6.107 |
Lymph node metastasis (present vs. absent) | 0.0046 | 1.910 | 1.220–2.990 |
Vascular invasion (present vs. absent) | 0.0079 | 1.948 | 1.191–3.187 |
Approach (open vs. laparoscopy) | 0.0237 | 1.889 | 1.089–3.279 |
Combination of PDW and RDW | < 0.0001 | 2.292 | 1.697–3.096 |