Table 2.
Factor | Unweighted | Inverse Probability of Censoring Weighted | Sampling-based Weighted | ||||||
OR | 95% CI | P Value | OR | 95% CI | P Value | OR | 95% CI | P Value | |
Age, per 10 years | 1.22 | 0.90, 1.65 | 0.19 | 1.23 | 0.91, 1.71 | 0.13 | 1.37 | 1.06, 1.77 | 0.02 |
Male sex | 1.81 | 1.05, 3.11 | 0.03 | 1.87 | 1.07, 3.25 | 0.04 | 1.05 | 0.58, 1.88 | 0.88 |
Weight ≤40 kg at ART initiation | 2.07 | 0.87, 4.96 | 0.10 | 2.17 | 0.92, 5.12 | 0.07 | 3.66 | 1.85, 7.27 | 0.00 |
Pretherapy CD4 cell count, cells/μL | |||||||||
≤50 | 1 | Referent | 1 | Referent | 1 | Referent | |||
51–100 | 0.70 | 0.32, 1.52 | 0.37 | 0.74 | 0.33, 1.69 | 0.48 | 0.46 | 0.20, 1.03 | 0.06 |
101–200 | 0.20 | 0.07, 0.59 | 0.00 | 0.32 | 0.12, 0.86 | 0.02 | 0.14 | 0.05, 0.45 | 0.00 |
>200 | 0.22 | 0.06, 0.76 | 0.02 | 0.37 | 0.11, 1.24 | 0.10 | 0.27 | 0.09, 0.80 | 0.02 |
Distance from home to clinic, per 10 km | 0.92 | 0.84, 1.00 | 0.05 | 0.91 | 0.84, 1.01 | 0.07 | 1.00 | 0.93, 1.08 | 0.99 |
Pretherapy WHO stage 4 | 0.92 | 0.35, 2.40 | 0.86 | 1.13 | 0.45, 2.81 | 0.68 | 0.76 | 0.26, 2.25 | 0.62 |
Year of ART initiation | |||||||||
2004 | 1 | Referent | 1 | Referent | 1 | Referent | |||
2005 | 0.71 | 0.37, 1.37 | 0.31 | 0.51 | 0.25, 1.01 | 0.05 | 1.84 | 0.99, 3.42 | 0.05 |
2006 | 0.54 | 0.22, 1.30 | 0.17 | 0.42 | 0.20, 0.90 | 0.03 | 0.77 | 0.31, 1.96 | 0.59 |
2007 | 0.25 | 0.05, 1.15 | 0.07 | 0.15 | 0.04, 0.67 | 0.01 | 0.09 | 0.02, 0.43 | 0.00 |
Abbreviations: ART, antiretroviral therapy; CI, confidence interval; OR, odds ratio; WHO, World Health Organization.
Results for each factor were adjusted for all other factors in the table.