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Table 2 Unadjusted and adjusted hazard ratios for recurrent tuberculosis

From: Risk factors for recurrent tuberculosis after successful treatment in a high burden setting: a cohort study

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