Molecular Characterization and Antimicrobial Resistance of Pathogenic Escherichia coli Strains in Children from Wolaita Sodo, Southern Ethiopia

Table 2

Frequency of virulence genes and corresponding pathogenic Escherichia coli strains in diarrheic children.

Virulence genes detected	Frequency of virulence genes among Escherichia coli isolates (N = 68)	Pathogenic Escherichia coli strains	χ^2	-value (95% CI)
stx 1	6 (8.8%)	STEC	15.1	0.02 (7.3–25.4%)
stx 2	4 (5.9%)	STEC
stx 2+ eaeA	1 (1.5%)	EHEC	6.8	0.041 (0.9–12.4%)
stx 1+ eaeA	2 (2.9%)	EHEC
eaeA^+ only	5 (7.4%)	Atypical EPEC	7.4	0.003 (2.4–16.3%)
St	4 (5.9%)	ETEC	10	0.002 (1.6–14.4%)
Data	2 (2.9%)	DAEC	9.4	0.01 (0.4–10.2%)
Eaat	14 (20.5%)	EAEC	13.9	0.01 (17.7–32.1%)
Total	38 (55.9%)

(χ²)-chie square; CI-confidence interval; -probability.