Table 3.
Survival Univariate and Multivariate Analysis.
| Variables | Univariate | Multivariate | ||
|---|---|---|---|---|
| HR (95% CI) | P Value | HR (95% CI) | P Value | |
| Age | 1.01 (.91–1.11) | .855 | — | |
| Sex | .708 | |||
| Male | Reference | — | ||
| Female | .85 (.35–2.03) | |||
| Performance status | .015 | — | .037 | |
| <2 | Reference | — | Reference | — |
| ≥2 | 4.87 (1.35–17.62) | — | 4.02 (1.0.8–14.88) | — |
| T Stage | .667 | — | ||
| 1 and 2 | Reference | — | ||
| 3 and 4 | .83 (.36–1.93) | |||
| N stage | .978 | — | ||
| 0 | Reference | — | ||
| 1 and 2 | .99 (.33–2.93) | |||
| Tumor location | .694 | — | ||
| Body/tail | Reference | — | ||
| Head | 1.34 (.31–5.77) | |||
| Induction chemotherapy | .953 | — | ||
| No | Reference | — | ||
| Yes | .96 (.28–3.28) | |||
| Induction chemotherapy duration | .044 | — | ||
| <3 months | Reference | — | Reference | .086 |
| ≥3 months | .4 (.16–.98) | — | .45 (.18–1.11) | — |
| Chemotherapy type | .262 | — | .149 | |
| Other | Reference | — | Reference | — |
| FOLFIRINOX | .32 (.04–2.37) | — | .22 (.02–1.71) | — |
| Surgery | .065 | — | ||
| No | Reference | — | ||
| Yes | .15 (.02–1.13) | |||
| RT dose | .109 | — | ||
| <50 Gy | Reference | — | ||
| 50 Gy | 2.81 (.79–9.98) | |||
| Elective coverage | .422 | — | ||
| No | Reference | — | ||
| Yes | .7 (.29–1.67) | |||
CI: confidence interval; HR: Hazard ratio.