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Table 3 Results from multivariable Cox's proportional hazard model of risk factors for death the during treatment period, Addis Ababa, Ethiopia, March 2010.

From: Mortality and associated risk factors in a cohort of tuberculosis patients treated under DOTS programme in Addis Ababa, Ethiopia

Variables Death status of the registered TB patients Adjusted Hazard Ratio (AHR) (95% CI) P-value
  alive (n; %) died (n; %)   
Treatment center     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)  
Kolfe HC 2170(92.4) 178(7.6) 1.05(1.00-1.12)  
Year of treatment     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     0.000
New 5373(96.4) 200(3.6) 1.00  
   Retreated 663(94.8) 36(5.2) 1.74(1.439-2.096)  
Body weight at initial stage of treatment     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)