Table 2.
Drug resistance patterns of eight anti-TB drugs in Zhejiang Province, 2018.
| Resistance patterns |
New TB cases
(N = 768) |
Previously treated TB cases (N = 69) | ||
|---|---|---|---|---|
| No. | % (95 CI) | No. | % (95 CI) | |
| Susceptible to nine anti-TB drugs | 568 | 74.0 (70.9–77.1) | 46 | 66.7 (55.5–77.8) |
| Susceptible to four first-line drugs | 621 | 80.9 (78.1–83.6) | 52 | 75.4 (65.2–85.5) |
| Susceptible to rifampin | 749 | 97.5 (96.4–98.6) | 66 | 95.7 (90.8–100) |
| Susceptible to isoniazid | 699 | 91.0 (89.0–93.0) | 61 | 88.4 (80.9–96.0) |
| Resistant to isoniazid (Hr-TB) | 50 | 6.5 (4.8–8.3) | 5 | 7.2 (1.1–13.4) |
| Resistant to fluoroquinolones | 29 | 3.8 (2.4–5.1) | 3 | 4.3 (0.0–9.2) |
| Resistant to rifampin (RR-TB) | 19 | 2.5 (1.4–3.6) | 3 | 4.3 (0-9.2) |
| Susceptible to isoniazid | 3 | 0.4 (0–0.8) | 1 | 1.4 (0–4.3) |
| Resistant to isoniazid (MDR-TB) | 16 | 2.1 (1.1–3.1) | 2 | 2.9 (0–6.9) |
| Susceptible to all other drugs | 3 | 0.4 (0–0.8) | 1 | 1.4 (0–4.3) |
| Resistant to fluoroquinolones (pre-XDR) | 6 | 0.8 (0.2–1.4) | 0 | - |
| Resistant to cycloserine | 4 | 0.5 (0–1) | 0 | - |
| Resistant to ethambutol | 13 | 1.7 (0.8–2.6) | 1 | 1.4 (0–4.3) |
| Resistant to aminoglycosides | 3 | 0.4 (0–0.8) | 0 | - |
| Resistant to prothionamide | 2 | 0.3 (0–0.6) | 0 | - |
| Resistant to p-aminosalicylic acid | 4 | 0.5 (0–1) | 0 | - |
CI, confidence interval.