Table 3.
First-line drug resistant frequency among 325 MTB strains
| Drugs | No. (%) of Isolates | |||
|---|---|---|---|---|
|
| ||||
| Beijing (n = 268) | Non-Beijing (n = 57) | X 2 | P | |
| Mono-resistance | ||||
| RFP | 4 (1.49) | 1 (1.75) | 0.02128 | > 0.05 |
| INH | 6 (2.24) | 4 (7.02) | 3.599 | > 0.05 |
| SM | 7 (2.61) | 2 (3.51) | 0.1404 | > 0.05 |
| EMB | 4 (1.49) | 2 (3.51) | 1.054 | > 0.05 |
| Total | 21(7.84) | 9 (15.79) | 3.549 | > 0.05 |
| MDR-TB | ||||
| RFP+INH | 6 (2.24) | 0 (0) | 1.300 | > 0.05 |
| RFP+INH+SM | 6 (2.24) | 0 (0) | 1.300 | > 0.05 |
| INH+SM+EMB | 4 (1.49) | 0 (0) | 0.8613 | > 0.05 |
| RFP+INH+SM+EMB | 2 (0.75) | 0 (0) | 0.4280 | > 0.05 |
| Total | 18 (6.72) | 0 (0) | 4.053 | < 0.05 |