Table 4.

Factors associated with 5-year mortality rate among TB cases

Variables		Univariate			Multivariate
	P	HR	95% CI		P	aHR	95% CI
			Lower	Upper			Lower	Upper
Age	0.001*	1.031	1.021	1.042	0.002*	1.024	1.009	1.039
Male	0.010*	1.697	1.132	2.542	0.010*	2.014	1.186	3.418
Saudi	0.296	0.681	0.332	1.4	0.282	0.599	0.235	1.525
Obesity	0.816	1.076	0.582	1.989	0.677	0.87	0.452	1.676
Smoke	0.579	0.776	0.316	1.904	0.912	1.055	0.41	2.712
Clinical features
General	0.092	1.545	0.932	2.56	0.049*	1.913	1.004	3.644
Systemic	0.248	0.802	0.552	1.166	0.234	0.747	0.462	1.208
Respiratory	0.372	0.843	0.58	1.225	0.796	1.074	0.627	1.837
Cavitations	0.093	0.558	0.282	1.103	0.064	0.441	0.186	1.049
Site of TB	0.396	1.176	0.809	1.71	0.744	1.093	0.641	1.861
Comorbidities
Respiratory	0.023*	1.823	1.087	3.057	0.048*	1.898	1.005	3.582
Other	0.001*	2.377	1.569	3.602	0.004*	2.346	1.313	4.192
Cancer	0.001*	3.274	1.995	5.373	0.001*	3.292	1.804	6.006
Immunocompromised	0.842	1.076	0.524	2.209	0.319	0.589	0.208	1.668

*Wald chi-square test is significant α = 0.05. HR, hazard ratio; aHR, adjusted hazard ratio