TABLE 2.

Percent recovery of various gram-negative pathogens for each system at each antimicrobial level

Drug(s)Concna% Recovery of organism with indicated system
E. coli ATCC 25922K. pneumoniae ATCC 49619P. aeruginosa ATCC 27853
BACTEC PLUSBacT/Alert FABACTEC PLUSBacT/Alert FABACTEC PLUSBacT/Alert FA
GentamicinT100100100100100100
M100100100100100100
P100100100100100100
CefepimeT1005010050100100
M660100010033
P0010001000
CefoxitinT10010010017NTbNT
M10001000NTNT
P10001000NTNT
Piperacillin/tazobactamT100831005010033
M1003310001000
P100010001000
  • a T, trough level; M, mid level; P, peak level.

  • b NT, not tested.