Table 4.

Bivariate and multivariate analysis of factors associated with mortality

		Bivariate analysis			Multivariate analysis
Variable	Category	HR	Confidence interval	p	aHR	Confidence interval	p
Gender	Male	1.37	1.00–1.86	0.044	1.26	0.85–1.88	0.244
Age				0.002			0.048
	≤24	1
	25–39	1.19	0.52–2.72	0.674	0.94	0.35–2.6	0.912
	40–54	1.75	0.75–4.04	0.189	1.32	0.47–3.70	0.592
	≥55	3.32	1.24–8.86	0.016	2.89	0.81–10.42	0.103
Provider group				0.031			0.297
	<50 patients	1			1
	50–250 patients	1.69	0.82–3.50	0.153	1.00	0.43–2.36	0.984
	>250 patients	2.22	1.16–4.24	0.016	1.44	0.67–2.98	0.322
WHO stage				<0.001			0.203
	I	1
	II	1.28	0.53–3.07	0.579	0.74	0.26–2.08	0.568
	III	2.78	1.46–5.31	0.002	1.29	0.60–2.77	0.511
	IV	3.89	1.92–7.89	<0.001	1.87	0.78–4.51	0.158
ART status				<0.001			<0.001
	Pre-ART: eligible	42.52	30.48–59.32		56.16	11.28–279.62	<0.001
	Pre-ART: ineligible	13.46	4.95–36.61		57.93	31.60–106.21	<0.001
	On ART	1
TB diagnosis	Yes	1.39	1.03–1.88	0.029	0.99	0.66–1.50	0.966
	No	1
CD4 at baseline				<0.001			<0.001
	<250	11.141	4.10–30.30		8.67	2.63–28.61	<0.001
	250–350	2.815	0.92–8.64		2.87	0.82–10.11	0.099
	>350	1			1

aHR, adjusted hazard ratio; ART, antiretroviral therapy; CD4, cluster of differentiation 4; HR, hazard ratio; TB, tuberculosis.