Changes in antimicrobial resistance and demographics of UTIs in pediatric patients in a single institution over a 6-year period

Summary Table. Antimicrobial resistance rates in urobacteriaaE. ColiKlebsiellaProteusEnterobacterEnterococcusPseudomonasTMP-SMX51.539.747.529.68.514.6Ampicillin70.180.740.964.837.418.1AMC35.635.512.748.84.210.4Nitrofurantoin9.539.172.625.222.613.2Cefuroxime27.633.09.243.23.120.1Ceftriaxone12.614.11.120.22.118.1Cefazolin27.730.818.352.14.29.7Ceftazidime15.322.42.327.71.621.5Gentamicin14.411.99.65.52.316.7Ciprofloxacin9.04.42.3018.69.1PTZ4.19.90.411.007.6Imipenem0.51.53.02.509.0Aztreonam11.515.74.113.52.127.1Meropenem0.20.90.40.6011.8Ertapenem0.52.90.41.901.4Amikacin1.82.42.12.52.54.2AMC, amoxicillin clavulanate; PTZ, Piperacillin-tazobactam; TMP-SMX, trimethoprim-sulfamethoxazole.aData are presented as %.