Table 3 Results from multivariable Cox's proportional hazard model of risk factors for death the during treatment period, Addis Ababa, Ethiopia, March 2010.
Variables | Death status of the registered TB patients | Adjusted Hazard Ratio (AHR) (95% CI) | P-value | |
|---|---|---|---|---|
| Â | alive (n; %) | died (n; %) | Â | Â |
Treatment center | Â | Â | Â | 0.000 |
   Teklehaimont HC | 2919(99.5) | 16(0.5) | 1.00 |  |
Selam HC | 947(95.8) | 42(4.2) | 1.50(1.40-1.60) | Â |
Kolfe HC | 2170(92.4) | 178(7.6) | 1.05(1.00-1.12) | Â |
Year of treatment | Â | Â | Â | 0.001 |
   July 2004 - June 2005 | 403(96.0) | 17(4.0) | 1.00 |  |
   July 2005 - June 2006 | 1388(96.8) | 46(3.2) | 1.18(1.05-1.32) |  |
   July 2006 - June 2007 | 1520(95.8) | 66(4.2) | 1.21(1.078-1.36) |  |
   July 2007 - June 2008 | 1341(96.0) | 56(4.0) | 1.06(0.95-1.19) |  |
   July 2008 - June 2009 | 1384(96.4) | 51(3.6) | 1.14(1.01-1.28) |  |
Patients category | Â | Â | Â | 0.000 |
New | 5373(96.4) | 200(3.6) | 1.00 | Â |
   Retreated | 663(94.8) | 36(5.2) | 1.74(1.439-2.096) |  |
Body weight at initial stage of treatment | Â | Â | Â | 0.012 |
   weight < 34 kg | 462(95.1) | 24(4.9) | 1.00 |  |
   weight ≥ 35 kg | 5447(96.5) | 197(3.5) | 0.89(0.80-0.97) |  |