Survival Analysis of Risk Factors for Mortality in a Cohort of Patients with Tuberculosis

Table 3

Results of multivariate analysis with a Cox proportional hazard model of risk factors for death during the treatment period in 7,032 tuberculosis patients.

Variable	β	S.E.			HR	95.0% CI
						Lower	Upper
Age	0.058	0.004	221.864	0.000	1.059	1.051	1.067
Sex
Female					1.000
Male	0.613	0.146	17.639	0.000	1.847	1.387	2.459
HIV
Negative/not tested					1.000
Positive	1.257	0.583	4.655	0.031	3.514	1.122	11.009
First sputum bacteria results
Negative/not tested					1.000
Positive	0.638	0.120	28.123	0.000	1.892	1.495	2.395
Patient type
New					1.000
Relapse	0.295	0.122	5.844	0.016	1.343	1.057	1.706
Patient delay (d)
<14					1.000
≥14	0.327	0.120	7.436	0.006	1.386	1.096	1.753