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. 2022 Oct 10;107(6):1308–1314. doi: 10.4269/ajtmh.22-0047

Table 5.

Antimicrobial resistance, measured as a percentage, of major bacterial isolates on commonly used antibiotics

Culture type Bacterium Antibiotic
Ampicillin Cefadroxil Amox clav Cefuroxime TMP-SMZ Tetracycline Ceftazidime Amoxicillin Nitrofurantoin Ciprofloxacin Meropenem Erythro Clindamycin Cefoxitin VA
R S R S R S R S R S R S R S R S R S R S R S R S R S R S R S
Blood Klebsiella pneumoniae 96.4 3.6 69.2 30.8 100 0.0 100 100 0.0 87.5 12.5 15.4 100 35 65 3.2 96.8 100 0.0 100 0.0
Staphylococcus aureus 86.7 13.3 66.7 33.3 36.4 63.6 0.0 100 0.0 100 66.7 33.3 12.5 63.6 63.6 36.4 40 60 40 60 16.7 83.3 57.1 42.9 0.0 100
Urine K. pneumoniae 80 20 100 0.0 100 0.0 100 0.0 100 25 100 25 75 0.0 100 100 100 0.0 100
Escherichia coli 90.6 9.4 79.3 20.7 83.3 16.7 0.0 100 66.7 33.3 91.7 8.3 73.3 78.6 0.0 21.4 19.4 80.6 27.3 72.7 0.0 100 0.0 100
Pus K. pneumoniae 90.9 9.1 77.8 22.2 100 0.0 50 50 25 100 100 0 33.3 66.7 12.5 87.5
S. aureus 70 30 14.3 85.7 66.7 33.3 25 75 25 55.6 53.6 44.4 12.5 87.5 0.0 100 0.0 100 12.5 87.5 0.0 100

The disk diffusion method was performed on different antibiotics. Amox clav = amoxicillin–clavulanic acid; Erythro = erythromycin; R = resistant, S = sensitive; TMP-SMZ = trimethoprim–sulfamethoxazole; VA = vancomycin.