Table 2.

Unadjusted and adjusted hazard ratios for recurrent tuberculosis

n	Unadjusted hazard ratio for recurrent tuberculosis	95% Confidence interval	p-value	Adjusted hazard ratio for recurrent tuberculosis	95% Confidence interval	p-value
Age in years	0.95	0.91–0.99	< 0.01	0.91	0.04–1.00	<  0.01
Male gender	1.13	0.57–2.22	0.71
Married	0.34	0.08–1.45	0.14	0.75	0.16–3.59	0.72
Education in years	1.20	0.99–1.48	0.06	1.09	0.89–1.33	0.40
History of imprisonment	1.92	0.68–5.46	0.22
Diabetes	2.34	0.56–9.77	0.24
HIV	0.77	0.39–1.53	0.46	0.99	0.48–2.05	0.99
Previous treatment for tuberculosis	0.59	0.20–1.67	0.32
Sputum AFB smear grade
Scanty	1.16	0.26–5.33	0.84	1.36	0.29–6.35	0.70
1+	1.12	0.41–3.10	0.82	1.10	0.39–3.10	0.85
2+	1.47	0.46–4.71	0.51	1.29	0.40–4.20	0.67
3+	3.14	1.38–7.19	< 0.01	3.33	1.44–7.70	<  0.01
Clonal mixed TB infection	1.06	0.32–3.53	0.92	0.92	0.27–3.12	0.90
Polyclonal mixed TB infection	1.82	0.82–3.99	0.14	1.96	0.86–4.48	0.11