Variable Follow up  time in months
At Six months of follow up visit At the end of the study period
Univariate analysis Multivariate analysis Univariate analysis Multivariate analysis
aHR[95%CI] bP cAHR[95%CI] P AHR[95%CI] P AHR[95%CI]d P
TB co-infection        
Absent Reference --- Reference --- Reference ---- Reference ----
Present 2.79 [1.26-6.22] .01 1.09[0.36-3.27] .88 3.06 [1.49-6.24] .02 1.31[0 .57- 3.01] .52
Functional status        
Working Reference ---- Reference ---- Reference ---- Reference ------
Ambulatory 6.55[2.09-20.57] .001 5.53[1.11-27.52] .04 3.29[1.19-9.05] .02 2.46[2.11-6.91] .02
Bed ridden 6.96[1.42-14.60] <.001 6.25[1.40-14.47] <.01 9.34[3.18-27.48] <.01 5.06[1.63-15.66] .01
eBMI category¬† in kg/m2        
≥18.5 Reference --- Reference ----- Reference ---- Reference ----
16-17 4.32[1.67-11.21] .003 4.47[1.39-14.39] .01 3.04[1.26- 7.34] .01 2.52[1.35-8.95] .06
<16 3.68[1.31-10.35] .01 1.51[0.39-5.84] .55 3.08[1.28- 7.45] .01 3.40[1.64-12.34] .08
CD4 category in cells/mm3        
<100 5.42[1.77-12.32] .005 3.90[1.67-9.24] .01 6.41[2.87-14.34] <.01 2.95 [1.27- 6.85] .01
≥100 Reference ----- Reference --- Reference ----- Reference -----
aMcrude hazard ratio, bp-value obtained by Cox regression, cadjusted hazard ratio, d confidence interval at 95%, e body mass index
Table 3: Cox-Proportional Hazard Model for Assessing the Effect of TB co-infection on Mortality of PLWHs receiving ART, December-August 2012, JUSH, Ethiopia.