Table 2 Frequency and effect factors of acquired drug resistant TB emergence at varied time points during SCC
Variable | Month1(1) n = 35 (%) | Month2(2) n = 17 (%) | Month3-5(3) n = 10 (%) | Univariate analysis (3) vs (1 + 2) | Multivariate logistic regression (3) vs (1 + 2) | |
|---|---|---|---|---|---|---|
| Â | Â | Â | Â | P value | OR(95Â % CI) | P value |
Treatment history | Â | Â | Â | 0.027* | Â | Â |
 New | 32 (91.4) | 12 (70.6) | 5 (50.0) |  |  |  |
 Previously treated | 3 (8.6) | 5 (29.4) | 5 (50.0) |  |  |  |
No. of drugs to which isolate is resistant | Â | Â | Â | 0.015* | Â | Â |
 1 | 21(60) | 6(35.3) | 2(20.0) |  |  |  |
 2 | 9(25.7) | 3(17.6) | 1(10.0) |  |  |  |
 3 | 4(11.4) | 5(29.5) | 5(50.0) |  |  |  |
 4 | 1(2.9) | 3(17.6) | 2(20.0) |  |  |  |
Drug resistance patterns | Â | Â | Â | 0.003* | Â | Â |
 Non-MDR-TB | 30 (85.7) | 12 (70.6) | 3 (30.0) |  | Reference |  |
 MDR-TB | 5 (14.3) | 5 (29.4) | 7 (70.0) |  | 8.3(1.7–39.9) | 0.008 |