San Francisco VA Antibiograms



January 1, 2023 – December 31, 2023

Pdf version

Please note the following comments:

  • All data is reported as percent fully susceptible
  • First isolate per patient per organism is counted in the antibiogram
  • 30 organisms are required to report susceptibilities on an antibiogram per CLSI guidelines. Some organisms were included in despite less than 30 organisms isolated
  • When treating UTIs caused by E. Coli, Klebsiella spp., and Proteus spp., cefazolin can be used to predict results for the following oral agents: cephalexin (Keflex) and cefpodoxime (Vantin)
  • Gentamicin susceptibilities for enterococcus spp. are for gram-positive synergy
  • Non-urine coagulase-negative staphylococcus includes: S. capitis,  S. epidermidis, S. haemolyticus, S. hominis, S. lugdunensis, and S. saprophyticus, S. simulans
  • Urine coagulase-negative staphylococcus includes: S. epidermidis, S. haemolyticus, S. lugdunensis, and S. saprophyticus, S. Simulans
  • Key: ESBL: Extended-spectrum beta-lactamase; CR: Carbapenem resistant; VRE: Vancomycin resistant enterococci; MR: Methicillin resistant; NA: Not available; R: Intrinsically resistant