Table 3.

Analysis of updated HIV RNA levels as predictors for disease progression as measured by subsequent percent change in CD4 cell count per year. Average percent changes in CD4 cell count per year are presented with 95% confidence intervals (CI).

HIV RNA level (copies/ml)	Total cohort		Restricted cohort*
	Number of observations	Average subsequent percent change in CD4 cell count per year (95% CI)	Number of observations	Average subsequent percent change in CD4 cell count per year (95% CI)
< 500	47	−22.0 (−56.0, 12.0)	34	−0.4 (−14.7, 14.0)
500 – 50,000	75	−12.9 (−25.6, −0.2)	74	−14.0 (−26.6, −1.4)
>50,000	76	−25.3 (−41.4, −9.1)	76	−25.6 (−41.6, −9.6)

^*Three persons removed to identify influence on point estimates