TABLE 5.

MIC data for β-lactamase-negative and TEM-1- and ROB-1-producing H. influenzae strainsa

DrugMIC result (μg/ml) for strain type:
TEM-1ROB-1β-Lactamase negative
50%90%Range50%90%Range50%90%Range
Ampicillin≥32≥322-≥32≥32≥328-≥320.250.500.12-≥32
Amoxicillin-clavulanate120.12-≥80.51.00.25-2.00.510.12-≥8
Cefaclor4160.5-≥12816642.0-≥128280.5-≥128
Cefpodoxime0.060.12≤0.015-2.00.060.06≤0.015-0.250.060.12≤0.015-4
  • a Data are from Farrell et al. (48).