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PCR detection rate of virulence genes in E. coli isolates in diarrheic calves and children.
| Sample source | Genes | Isolates examined | Positive isolates (%) | Diarrheic samples (%) | χ2 | P (95% CI) |
|---|---|---|---|---|---|---|
| Calves | eaeA | 56 | 11 (19.6) | 11 (9.8) | 11.86 | 0.001 (0.000–0.052) |
| stx1 | 56 | 6 (10.7) | 6 (5.4) | 5.82 | 0.016 (0.00–0.113) | |
| stx2 | 56 | 13 (23.2) | 13 (11.6) | 14.67 | 0.001 (0.000–0.052) | |
| Total | 30 (53.5) | 30 (26.8) |
χ2 Chi square, P Probability, CI confidence interval.
