Table 4.
Univariable Analysis | Multivariable Complete Case Analysis | Multivariable Imputed Model | |
---|---|---|---|
| |||
HR (95 % CI) | HR (95 % CI) | HR (95 % CI) | |
Gender | |||
Male | 1 | 1 | 1 |
Female | 0.98 (0.70 – 1.36) | 0.70 (0.43 – 1.13) | 0.76 (0.53 – 1.10) |
| |||
Age | 0.99 (0.97 – 1.00) | 0.99 (0.96 – 1.01) | 0.98 (0.96 – 1.00) |
| |||
ART period | |||
Early (2004 – 2008) | 1 | 1 | 1 |
Late (2009–2012) | 0.45 (0.32 – 0.64) | 0.39 (0.24 – 0.64) | 0.40 (0.28 – 0.58) |
| |||
Baseline CD4 count (cells/μl) | |||
<100 | 1 | 1 | 1 |
100 – 199 | 0.78 (0.47 – 1.30) | 0.70 (0.34 – 1.42) | 0.74 (0.42 – 1.30) |
200 – 349 | 0.81 (0.50 – 1.32) | 1.02 (0.50 – 2.09) | 0.93 (0.53 – 1.63) |
350 – 500 | 0.62 (0.36 – 1.06) | 0.97 (0.45 – 2.10) | 1.09 (0.57 – 2.08) |
≥500 | 0.51 (0.27 – 0.97) | 0.73 (0.31 – 1.72) | 0.78 (0.39 – 1.54) |
| |||
ACTG KS stage | |||
Good risk | 1 | 1 | 1 |
Poor risk | 2.37 (1.46 – 3.83) | 2.71 (1.53 – 4.79) | 1.89 (1.19 – 3.03) |
| |||
TB Co-morbidity | |||
No TB | 1 | 1 | 1 |
TB | 1.46 (1.02 – 2.09) | 1.26 (0.75 – 2.11) | 1.22 (0.83 – 1.81) |
| |||
ART use | |||
Not on ART at KS diagnosis | 1 | 1 | 1 |
On ART at KS diagnosis | 0.96 (0.69 – 1.34) | 1.09 (0.68 – 1.75) | 1.20 (0.84 – 1.72) |
| |||
Chemotherapy | |||
No | 1 | 1 | 1 |
Yes | 0.33 (0.24 – 0.47) | 0.39 (0.23 – 0.67) | 0.35 (0.23 – 0.52) |
| |||
Radiation Therapy | |||
No | 1 | 1 | 1 |
Yes | 0.64 (0.47 – 0.89) | 0.91 (0.57 – 1.46) | 0.64 (0.46 – 0.90) |
| |||
Haemoglobin | 0.86 (0.80 – 0.92) | 0.92 (0.83 – 1.02) | 0.93 (0.86 – 1.01) |
Abbreviations: ACTG: AIDS Clinical Trials Group; ART: antiretroviral therapy; CI: confidence interval; HR: hazard ratio; KS: Kaposi sarcoma; TB: tuberculosis