Table 3.

Summary of univariate and multivariate survival results

Feature	Univariate		Multivariate
	DFS	MCCSS	OS	OS
Patient Sex	NS	NS	NS	-
Patient Age (years)	NS	NS	NS	-
Immune Status	NS	p=0.024	p=0.010	HR=2.096, 95%CI: 1.002-4.385, p=0.049*
Primary Site	NS	NS	NS	-
Macroscopic Size (mm)	NS	NS	HR=1.034, 95%CI: 1.006-1.062, p=0.015*	NS
Primary RT	p=0.009	NS	NS	-
Nodal RT	p=0.001	NS	NS	-

*Tested with Cox regression. NS=Not significant.