TABLE 3.

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

DrugConcna% Recovery of organism with indicated systemb
S. aureus ATCC 25923S. pneumoniae ATCC 49619S. aureus ATCC 43300Viridans streptococcus ATCC 10557E. faecalis ATCC49533E. faecium ATCC 35667S. agalactiae ATCC 12385
PLUSFAPLUSFAPLUSFAPLUSFAPLUSFAPLUSFAPLUSFA
VancomycinP10003301000100010001000NTNT
M100066010001000100831000NTNT
T100831000100831001710010010033NTNT
AmpicillinPNTNT1000NTNTNTNT1000NTNT1000
MNTNT1000NTNTNTNT1000NTNT1000
TNTNT1000NTNTNTNT1000NTNT1000
OxacillinP1000NTNTNTNTNTNTNTNTNTNTNTNT
M1000NTNTNTNTNTNTNTNTNTNTNTNT
T1000NTNTNTNTNTNTNTNTNTNTNTNT
Piperacillin/tazobactamP10001000NTNTNTNTNTNTNTNTNTNT
M10001000NTNTNTNTNTNTNTNTNTNT
T10001000NTNTNTNTNTNTNTNTNTNT
CefoxitinP10001000NTNTNTNTNTNTNTNTNTNT
M10001000NTNTNTNTNTNTNTNTNTNT
T1000100100NTNTNTNTNTNTNTNTNTNT
CeftriaxonePNTNT00NTNTNTNTNTNTNTNTNTNT
MNTNT00NTNTNTNTNTNTNTNTNTNT
TNTNT00NTNTNTNTNTNTNTNTNTNT
Gentamicin/penicillinPNTNTNTNTNTNTNTNT1000NTNTNTNT
MNTNTNTNTNTNTNTNT1000NTNTNTNT
TNTNTNTNTNTNTNTNT100100NTNTNTNT
  • a T, trough level; M, mid level; P, peak level.

  • b NT, not tested; PLUS, BACTEC PLUS bottles; FA, BacT/Alert bottles.