Table 4. Relative hazards from fitting a Cox regression model -DLBCL patients.

	HR of HIV+ vs. HIV- (95% CI)	p-value
Model A
Unadjusted	1.40 (1.05, 1.86)	0.020
Model B
Adjusted for age, gender and calendar year of diagnosis	1.79 (1.29, 2.47)	< .001
Model C
Adjusted for use of rituximab and standard IPI score	1.30 (0.98, 1.73)	0.069
Model D
Adjusted for gender, calendar year of diagnosis, use of rituximab and standard IPI score	1.14 (0.84, 1.54)	0.409
Model E
Adjusted for age, gender, calendar year of diagnosis, use of rituximab and age-adjusted IPI score	1.50 (1.07, 2.09)	0.017