Table 3.

Multivariate Cox Model for Time to Protease Inhibitor Initiation^*

Factor	HazardRatio	95% CI	p Value
CD4 cell count
<200	1.00	—	—
200–500	2.63	1.61, 4.17	<.001
>500	11.11	3.57, 33.33	<.001
Tenfold increase in initial  elevated viral load	0.66	0.45, 0.98	.038
History of pneumocystis	0.57	0.37, 0.90	.016
History of depression	1.49	1.03, 2.13	.032
History of injection drug use	2.70	1.35, 5.56	.005

^*Model is adjusted for calendar date of first elevated viral load.