Skip to main content

Table 3 Prevalence of antimicrobial resistance phenotype and genotype among E. coli isolates

From: Molecular characterization and antimicrobial resistance of potentially human‐pathogenic Escherichia coli strains isolated from riding horses

Antimicrobial classes AR phenotype Number Percentage 95% CI AR gene Number Percentage 95% CI
β-lactams (Penicillin and cephalosporins) AMC 30/65 46.2 ±11.5 blaTEM 64/65 98.4 ±1.2
CRO 25/65 38.5 ±12.1 blaSHV 0/65 - -
CZ 12/65 18.5 ±11 blaCTX-M 4/65 6.1 ±8.6
Aminoglycoside AK 16/65 24.6 ±11.6 aadA 0/65 - -
S 14/65 21.5 ±11.4     
GN 11/65 16.9 ±10.9     
Sulfonamide/trimethoprim SXT 9/65 13.8 ±10.4 sulI 1/65 1.5 ±6.6
     sulII 7/65 10.7 ±9.8
     dhfrI 1/65 1.5 ±6.6
     dhfrV 0/65 - -
  1. AR antimicrobial resistance; CI confidence interval; AMC amoxicillin/clavulanic acid; CRO ceftriaxone ; CZ cefazolin; AK amikacin; S streptomycin; GN gentamicin; SXT trimethoprim/sulphamethoxazole; antimicrobial resistance genes are abbreviated and Italic