Table 1.
Prevalence of E. coli Isolates According to Their Sample Sourc. Comparison of Prevalence of ESBL Determination by Phenotypic and Genotypic Methods Across Six Categories in 130 Studies from South America Between 1990 and 2021 (N=203057)
| Categories of Sample | Sample Size | E. coli Isolates | Phenotype of ESBL-Producing E. coli | Genotype of ESBL-Producing E. coli | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| (N) | (n) | % | [95% CI] | (n) | (%) | [95% CI] | (n) | (%) | [95% CI] | |
| Clinical (H) | 185,203 | 28,348 | 15.3 | [0.151–0.155] | 3719 | 13.1 | [0.12–0.14] | 3509 | 1.9 | [0.018–0.02] |
| Healthy Carriers (H) | 7861 | 1105 | 14.1 | [0.133–0.149] | 490 | 6.2 | [0.057–0.067] | 139 | 1.8 | [0.02–0.2] |
| Animal | 6616 | 3607 | 54.5 | [0.533–0.557] | 1418 | 21.4 | [0.204–0.224] | 1195 | 18.1 | [0.1–0.2] |
| Food | 1860 | 1401 | 75.3 | [0.733–0.773] | 193 | 10.4 | [0.09–0.118] | 580 | 31.2 | [0.3–0.333] |
| Environment | 1517 | 553 | 36.5 | [0.341–0.389] | 191 | 12.6 | [0.109–0.143] | 187 | 12.3 | [0.106–0.14] |
Abbreviations: N, total samples of each category; H, human samples; 95% CI, 95% confidence Intervals.