Research Article

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

Table 5

Antimicrobial resistance percentage of pathogenic Escherichia coli strains/virulence genes.

Antimicrobial agentsDetected virulence genes/strains in children (N = 38)
Resistant pathogenic Escherichia coli strains or genes/(%)
STEC (n = 10)Atypical EPEC (only eae+) (n = 5)EAEC (eat gene) (n = 14)EHEC (n = 3)DAEC (dae gene) (n = 2)St (ETEC) (n = 4)Total
RSRSRSRSRSRSRS

Ampicillin10(100)5(100)14 (100)3(100)2(100)4(100)38 (100)
Streptomycin9(90)1 (10)4(80)1 (20)14 (100)3(100)2(100)4(100)36 (94.7)2 (5.3)
Neomycin10(100)5(100)14 (100)3(100)2(100)4(100)38 (100)
Tetracycline8(80)2 (20)4(80)1 (20)12 (85.7)2 (14.3)2(66.7)1(33.3)2(100)4(100)32 (84.2)6 (15.8)
Ciprofloxacillin10 (100)5 (100)14 (100)3(100)2 (100)2(50)2 (50)2 (5.3%)36 (94.7)
Chloramphenicol6(60)4 (40)3(60)2 (40)9 (64.3)5 (35.7)1(33.3)2(66.7)2(100)2 (100)3(75)1 (25)24 (63.2)14 (36.8)
Trimethoprim6(60)4 (40)4(80)1 (20)11 (78.6)3 (21.4)1(33.3)2(66.7)2(100)4(100)28 (73.7)10 (26.3)
Norfloxacillin3(30)7 (70)3(60)2 (40)8 (57.1)6 (42.9)3(100)1(50)1 (50)3(75)1 (25)18 (47.4)20 (52.6)
Clindamycin10(100)4(80)1 (20)13 (92.9)1 (7.1)3(100)2(100)4(100)36 (94.7)2 (5.3)
Sulphonamides5(50)5(50)4(80)12 (85.7)2 (14.3)2(66.7)1(33.3)2(100)4(100)29 (76.3)9 (23.7)

N = number of strains; R = resistant; S = susceptible.