Table 3.

Impact of varying the resection margin (RM) status on cancer-specific survival (CSS) and disease-free survival (DFS) (re-reported specimens)

Margin value (mm)	Margin site	OS		DFS
		Univariate P-value	Multivariate P-value	Univariate P-value	Multivariate P-value
≤0.5	Ant. margin	0.708		0.837
	Post. margin	0.196		0.097	0.683
	SMV groove	0.051	0.130	0.156
	R0/R1	0.064	0.846	0.670
≤1.0	Ant. margin	0.275		0.838
	Post. margin	0.062	0.652	0.012	0.292
	SMV groove	0.065	0.167	0.363
	R0/R1	0.015	0.840	0.301
≤1.5	Ant. margin	0.163		0.461
	Post. margin	0.087	0.486	0.066	0.963
	SMV groove	0.062	0.115	0.536
	R0/R1	0.016	0.810	0.267
≤2.0	Ant. margin	0.179		0.575
	Post. margin	0.11		0.106
	SMV groove	0.031	0.093	0.544
	R0/R1	0.007	0.54	0.262

OS, overall survival.