Table 1.

MIC90s by Etest and agar dilution for all VGS and streptococcal speciesa

IsolateMIC90 (μg/ml)
PenicillinCefuroximeCefotaximeVancomycin
ETADETADETADETAD
All VGS (n = 180)0.7511.510.50.510.5
S. oralis (n = 60)0.380.25210.50.510.5
S. mitis I (n = 44)32321.5110.5
S. mitis II (n = 10)0.50.50.520.50.510.5
S. sanguis (n = 43)0.750.50.50.50.250.2510.5
S. salivarius (n = 18)0.50.50.750.50.750.510.5
  • a Species of which there were 10 or more isolates. ET, E test; AD, agar dilution.