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 |