Table 2.
Univariate and multivariate survival analyses based on a tumor size of 3 cm, N category status, and M category status for patients with tumors extending beyond the pancreas (T3) (n = 755)
| Variables | No. of patients (%) | MST (months) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|---|
| P value | Hazard ratio (95%CI) | P value | Hazard ratio (95%CI) | |||
| Tumor size (cm) | <0.001 | 1.68 (1.39–2.03) | <0.001 | 1.46 (1.20–1.77) | ||
| <3 | 274 (36.3) | 30.3 | ||||
| ≥3 | 481 (63.7) | 17.5 | ||||
| N category | <0.001 | 1.97 (1.58–2.45) | <0.001 | 1.72 (1.37–2.16) | ||
| No | 192 (25.4) | 35.7 | ||||
| Yes | 563 (74.6) | 18.4 | ||||
| M category | <0.001 | 1.53 (1.22–1.93) | 0.077 | 1.24 (0.98–1.56) | ||
| No | 647 (85.7) | 21.9 | ||||
| Yes | 108 (14.3) | 16.2 | ||||
MST median survival time, CI confidence interval