Table 6.

Univariate and multivariate Cox regression analysis for the risk factors for mortality among MDR-TB patients

		Univariate analysis			Multivariate analysis
Variable	Categories	CHR	95% CI	P value	AHR	95% CI	P value
Age (years)	≥45	8.29	1.04–66.32	0.046	10.82	1.14–102.74	0.038
	25–44	2.91	0.37–22.93	0.312	3.48	0.39–31.36	0.267
	≤24	Ref
Sex	Female	4.76	1.77–12.84	0.002	5.92	1.75–20.08	0.004
	Male	Ref
HIV	Positive	2.56	1.01–6.50	0.048	0.22	0.3–1.60	0.134
	Negative	Ref
MDR–TB regimen	Short	3.54	1.22–10.32	0.021	4.34	1.41–13.35	0.010
	Individualized	1.37	0.17–11.08	0.771	1.48	0.17–12.98	0.722
	Long	Ref
Concomitant long-term drug	Yes	2.99	1.17–7.64	0.022	0.85	0.09–7.76	0.889
	No	Ref
Comorbidity	Yes	3.45	1.32–9.02	0.011	6.81	0.71–65.66	0.097
	No	Ref

Ref, reference; CHR, crude hazard ratio; AHR, adjusted hazard ratio; P values <0.05 are shown in bold.