% of Isolates Susceptible
Enterobacter cloacae
Klebsiella (Enterobacter) aerogenes
Citrobacter species
Proteus mirabilis
Escherichia coli
Klebsiella pneumoniae
Enterococcus faecalis
Enterococcus faecium
Pseudomonas aeruginosa
Serratia marcescens
Antibiotics tested against < 30 isolates may indicate less statistical validity of the % susceptible