Table 4 Comparison of the sputum-culture convention rate in placebo and QBDT group in subgroup by drug sensitivity
|  | Placebo (n = 88) | QBDT (n = 93) | OR (95% CI) | P value | |||||
|---|---|---|---|---|---|---|---|---|---|
Drug sensitivity | Negative n (%) | Positive n (%) | Withdrawal n (%) | Negative n (%) | Positive n (%) | Withdrawal n (%) | |||
Pyrazinamide | Sensitive | 56 (76.7) | 11 (15.1) | 6 (8.2) | 63 (88.7) | 3 (4.2) | 5 (7.0) | 0.42 (0.17–1.04) | 0.06 |
Resistant | 5(33.3) | 9 (60.0) | 1 (6.7) | 11(50.0) | 5 (22.7) | 6 (27.3) | 0.50 (0.13–1.95) | 0.32 | |
Ethambutol | Sensitive | 52 (73.2) | 16 (22.5) | 3 (4.2) | 64 (82.1) | 5 (6.4) | 9 (11.5) | 0.60 (0.27–1.31) | 0.20 |
Resistant | 9 (52.9) | 4 (23.5) | 4 (23.5) | 10 (66.7) | 3 (20.0) | 2 (13.3) | 0.56 (0.13–2.36) | 0.43 | |
Streptomycin | Sensitive | 59 (77.6) | 12 (15.8) | 5 (6.6) | 70 (85.4) | 4 (4.9) | 8 (9.8) | 0.60 (0.26–1.35) | 0.21 |
Resistant | 2 (16.7) | 8 (66.7) | 2 (16.7) | 4 (36.4) | 4 (36.4) | 3 (27.3) | 0.35 (0.05–2.47) | 0.28 | |
Total |  | 61 (69.3) | 20 (22.7) | 7 (8.0) | 74 (79.6) | 8 (8.6) | 11 (11.8) | 0.58 (0.30–1.14) | 0.11 |