Table 2.

Univariable Analyses of Prognostic Factors

Factor	HR (95% CI)	P
Age (continuous)	1.02 (1.00 to 1.04)	.03
Sex (male v female)	0.97 (0.62 to 1.50)	.89
T stage (T4 v T3)	1.15 (0.37 to 3.57)	.80
Nodes examined (continuous)	0.97 (0.95 to 1.00)	.05
Tumor grade (high v low)	1.30 (0.75 to 2.25)	.34
Tumor location (proximal v distal)	1.11 (0.70 to 1.75)	.65
MMR (deficient v intact)	0.56 (0.31 to 1.01)	.05

NOTE. n = 393 with 91 RFI events for all variables except n = 377 with 91 RFI events for MMR.

Abbreviations: HR, hazard ratio; MMR, mismatch repair; RFI, recurrence-free interval.