Table 3.
Effect of Tuberculosis on Mortality
Characteristics | Uni-variable analysis* | Multi-variable analysis* | ||
Hazard ratio (95% CI) |
P Value |
Hazard ratio (95% CI) |
P Value |
|
Age | ||||
<15 | 1 | |||
≥15 | 5.247(2.573 – 10.70) | <0.001 | 9.754 (3.001 – 31.70) | <0.001 |
Sex | ||||
Female | 1 | 1 | ||
Male | 1.340(1.085 – 1.655) | 0.007 | 1.276 (1.024 – 1.590) | 0.030 |
Base CD4 Count | ||||
<100 | 1 | 1 | ||
100–350 | 0.456 (0.366 – 0.569) | <0.001 | 0.525 (0.418 – 0.658) | <0.001 |
≥350 | 0.356 (0.175 – 0.728) | 0.005 | 0.731 (0.351 – 1.525) | 0.404 |
Base WHO Stage | ||||
I–II | 1 | 1 | ||
III–IV | 1.618 (1.230 – 2.128) | 0.001 | 1.448 (1.080 – 1.941) | 0.013 |
CTX | ||||
No | 1 | 1 | ||
Yes | 0.600 (0.431 – 0.824) | 0.002 | 0.718 (0.508 – 1.013) | 0.059 |
ART Start Year | ||||
2005 – 2008 | 1 | 1 | ||
2009 – 2010 | 1.110 (0.860 – 1.434) | 0.422 | 1.290 (0. 992 – 1.679) | 0.057 |
2011 – 2013 | 1.550 (1.146 – 2.094) | 0.004 | 1.497 (1.427 – 2.728) | <0.001 |
Tuberculosis | ||||
No | 1 | 1 | ||
Yes | 2.013 (1.473 – 2.751) | <0.001 | 1.785 (1.289 – 2.473) | <0.001 |
Stratified by facility and functional status. Functional status strongly predicted mortality but couldn't be used in the model since it violated the proportionality assumption. It is for this reason that it was included in the stratification to adjust for the main predictor.