Table 6.

Multivariate analysis for overall survival.

		p-Value	HR	95.0% CI
				Inferior	Superior
Phase 1	CCI	0.788	1.110	0.519	2.373
	margin (1 vs. 0) *	0.006	29.965	2.619	342.854
	age (˃ 60 vs. ≤60)	0.050	19.600	1.001	383.640
Phase 2	margin (1 vs. 0) *	0.006	30.049	2.634	342.745
	age (˃ 60 vs. ≤60)	0.012	24.592	2.019	299.586

* 0 = adequate margin; 1 = inadequate margin. Statistically significant p values are shown in red color.