Table 2.
Multivariate analysis of prognostic factors related to lymph node‐negative esophageal squamous cell carcinoma
| P valuea | HR | 95.0% CI for Exp(B) | ||
|---|---|---|---|---|
| Lower | Upper | |||
| Smoking | 0.002 | 1.494 | 1.157 | 1.928 |
| Alcohol consumption | 0.000 | 1.702 | 1.300 | 2.227 |
| Surgery | 0.075 | 1.092 | 0.991 | 1.203 |
| Stage | 0.001 | 1.380 | 1.146 | 1.662 |
| Grade | 0.018 | 1.200 | 1.032 | 1.395 |
| Postoperative radiotherapy | 0.031 | 0.333 | 0.123 | 0.903 |
| Three‐field surgical dissection | 0.453 | 1.173 | 0.773 | 1.780 |
a
P < 0.05 was considered statistically significant. CI, confidence interval; Exp(B), exponentiation of the B coefficient; HR, hazard ratio.