Table 4 Predictors of tuberculosis smear non-conversion in re-treatment tuberculosis cases
Variable | Total | Non-converters | Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|---|---|---|
N | n | % | Crude OR | 95 % CI | p-value | Adjusted OR | 95 % CI | p-value | |
Gender | 2168 | 216 | |||||||
Female | 750 | 54 | 7.2 | Reference | Reference | ||||
Male | 1418 | 162 | 11.42 | 1.66 | 1.21–2.29 | 0.002 | 1.68 | 1.21–2.33 | 0.002 |
HIV | 2168 | 216 | |||||||
Negative | 1509 | 133 | 8.81 | Reference | Reference | ||||
Positive | 528 | 68 | 12.88 | 1.53 | 1.12–2.08 | 0.007 | 1.81 | 1.32–2.51 | 0.000 |
Unknown | 131 | 15 | 11.45 | 1.34 | 0.76–2.36 | 0.314 | 1.38 | 0.77–2.46 | 0.268 |
Pretreatment smear grading | 2168 | 216 | |||||||
Scanty | 165 | 5 | 3 | Reference | Reference | ||||
AFB+ | 394 | 17 | 4.31 | 1.44 | 0.52–3.97 | 0.479 | 1.56 | 0.56–4.32 | 0.389 |
AFB++ | 432 | 38 | 8.79 | 3.08 | 1.19–7.98 | 0.020 | 3.54 | 1.36–9.20 | 0.009 |
AFB+++ | 1099 | 152 | 13.83 | 5.14 | 2.07–12.7 | <0.000 | 5.79 | 2.33–14.4 | 0.002 |
Not recorded | 78 | 4 | 5.13 | 1.73 | 0.45–6.63 | 0.424 | 1.99* | 0.52–7.68 | 0.315 |