Table 1.
Overview of sampling size and CREC in different provinces.
| Sampling provinces | NO. of samples | NO. of CREC | Positive rate of CREC (%; 95% CI) | NO. of NDM-5-producing CREC | NO. of NDM-1-producing CREC | NO. of mcr-1 and blaNDM positive CREC |
|---|---|---|---|---|---|---|
| Guizhou | 50 | 4 | 8.0 (3.15–18.84) | 1 | 0 | 0 |
| Heilongjiang | 50 | 3 | 6.0 (2.06–16.22) | 0 | 0 | 0 |
| Henan | 56 | 3 | 5.36 (1.84–14.61) | 1 | 0 | 1 |
| Hunan | 54 | 2 | 3.7 (1.02–12.54) | 1 | 0 | 0 |
| Beijing | 418 | 13 | 3.11 (1.83–5.25) | 4 | 1 | 1 |
| Shandong | 165 | 5 | 3.03 (1.30–6.90) | 2 | 1 | 1 |
| Fujian | 100 | 3 | 3.0 (1.02–8.45) | 0 | 0 | 0 |
| Inner Mongoria | 135 | 4 | 2.96 (1.16–7.37) | 0 | 0 | 0 |
| Tibet | 108 | 3 | 2.78 (0.95–7.85) | 2 | 0 | 1 |
| Hainan | 237 | 6 | 2.53 (1.17–5.41) | 3 | 0 | 2 |
| Shaanxi | 132 | 3 | 2.27 (0.78–6.47) | 1 | 0 | 0 |
| Zhejiang | 1551 | 35 | 2.26 (1.63–3.12) | 19 | 1 | 8 |
| Jilin | 100 | 2 | 2.0 (0.55–7.00) | 0 | 0 | 0 |
| Guangxi | 204 | 4 | 1.96 (0.77–4.93) | 4 | 0 | 0 |
| Ningxia | 140 | 2 | 1.43 (0.39–5.06) | 2 | 0 | 0 |
| Guangdong | 57 | 0 | 0.0 (0.0–0.0) | 0 | 0 | 0 |
| Hubei | 52 | 0 | 0.0 (0.0–0.0) | 0 | 0 | 0 |
| Jiangxi | 106 | 0 | 0.0 (0.0–0.0) | 0 | 0 | 0 |
| Shanxi | 144 | 0 | 0.0 (0.0–0.0) | 0 | 0 | 0 |
| Total | 3859 | 92 | 2.38 (1.95–2.91) | 40 | 3 | 14 |