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Table 3 MIC ranges, MIC50 values, and MIC90 values and Percent Susceptible of 249 S. pneumoniae isolates

From: Predicting Oral Beta-lactam susceptibilities against Streptococcus pneumoniae

Drug MIC Range (μg/ml) MIC50 (μg/ml) MIC90 (μg/ml) Susceptible (%)
Amoxicillin < 0.12 to 16 0.12 2 93.6
Penicillin < 0.03 to > 4 0.03 2 94
Cefdinir < 0.03 to > 4 0.06 4 73.9
Cefpodoxime < 0.03 to > 4 0.03 2 73.5
Cefotaxime < 0.03 to > 4 0.03 1 96.4
Cefuroxime < 0.06 to > 8 0.06 4 74.7