Table 5. Multivariate analysis of proposed pathologic index 3 and clinical parameters for DFS.

Variable	Hazard ratio (95% CI)	P-value
Age	0.984 (0.947-1.023)	0.428
Sex	0.855 (0.397-1.841)	0.689
TNM Stage	1.893 (1.403-2.554)	*<0.001
Tertile group according to proposed pathologic index 1	1.366 (0.203-9.205)	0.748
Tertile group according to proposed pathologic index 2	0.878 (0.132-5.816)	0.893
Tertile group according to proposed pathologic index 3	3.012 (1.223-7.418)	*0.017
Tertile group according to proposed pathologic index 4	0.508 (0.230-1.126)	0.095

^*Statistically significant at P < 0.05.