Table 2.
Prevalence of ESBL genes in E. coli isolated from human, animal, and environmental samples in selected studies (published between 2010 and 2021) in Bangladesh.
| Genes encoding ESBL | No. of studies | Total E. coli isolates | No. of positive ESBL genes (%) | Prevalence (%) | 95% CI (%) |
|---|---|---|---|---|---|
| blaTEM | 14 | 2230 | 275 | 12.3 | 11.0–13.8 |
| blaTEM-1 | 3 | 344 | 129 | 37.5 | 32.6–42.7 |
| blaCTX-M | 9 | 994 | 95 | 9.6 | 7.9–11.5 |
| blaCTX-M-1 | 9 | 1932 | 399 | 20.7 | 18.9–22.5 |
| blaCTX-M-9 | 5 | 1083 | 3 | 0.3 | 0.1–0.8 |
| blaCTX-M-14 | 2 | 151 | 2 | 1.3 | 0.2–4.7 |
| blaCTX-M-15 | 8 | 1184 | 191 | 16.1 | 14.2–18.3 |
| blaSHV | 14 | 1993 | 76 | 3.8 | 3.1–4.8 |
| blaCMY | 1 | 55 | 19 | 34.6 | 23.4–47.8 |
| blaCMY-2 | 2 | 684 | 16 | 2.3 | 1.5–3.8 |
| blaOXA | 5 | 302 | 29 | 9.6 | 6.8–13.5 |
| blaOXA-1 | 7 | 1415 | 82 | 5.8 | 4.7–7.1 |
| blaampC | 4 | 762 | 30 | 3.9 | 2.8–5.6 |
Here, ESBL = Extended-spectrum beta-lactamase, CI = Confidence interval.