Table 2.
Effect of HAART on Incident AIDS or Death Among 950 Men and Women Infected With HIV Type 1, Multicenter AIDS Cohort and Women's Interagency HIV Studies, 1995–2007
| Model | Exposure | Hazard Ratio | 95% CLa |
| Unadjusted | No ART | 1 | |
| HAARTb | 0.75 | 0.49, 1.17 | |
| Adjustedc | 0.95 | 0.58, 1.56 | |
| Weightedc | 0.36 | 0.21, 0.61 | |
| Weighted and calibrated | 0.17 | 0.06, 0.43d |
Abbreviations: AIDS, acquired immunodeficiency syndrome; ART, antiretroviral therapy; CL, confidence limits; HAART, highly active antiretroviral therapy; HIV, human immunodeficiency virus.
a
Robust for weighted models.
b
Use during the prior 2 years.
c
Controlled for time-varying prior CD4 cell count and HIV-1 RNA level by using restricted cubic splines.
d
Confidence limits obtained by the delta method using robust variance.