From: Does directly observed therapy (DOT) reduce drug resistant tuberculosis?
 | Selective DOT county | Universal DOT county |  |  |  |  |  |  | ||
---|---|---|---|---|---|---|---|---|---|---|
 | (n = 1207) | (n = 514) | Crude | Adjusted1 | ||||||
Isolate characteristic | No. | (%) | No. | (%) | OR | (95% CI) | p-value | OR | (95% CI) | p-value |
EMB/INH/RIF resistant2 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No | 1108 | (92) | 489 | (95) | 1.0 |  | 0.03 | 1.0 |  | 0.049 |
   Yes | 95 | (8) | 25 | (5) | 1.7 | (1.1, 2.6) |  | 1.6 | (1.1, 2.6) |  |
   Unknown | 4 |  |  |  |  |  |  |  |  |  |
Belongs to a resistant cluster3 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No | 927 | (77) | 454 | (88) | 1.0 |  | <0.0001 | 1.0 |  | <0.0001 |
   Yes | 280 | (23) | 60 | (12) | 2.3 | (1.7, 3.1) |  | 2.1 | (1.6, 2.9) |  |
Belongs to a two-isolate resistant cluster4 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   No | 1024 | (85) | 495 | (96) | 1.0 |  | <0.0001 | 1.0 |  | <0.0001 |
   Yes | 183 | (15) | 19 | (4) | 4.7 | (2.9, 7.6) |  | 4.3 | (2.6, 7.0) |  |