| | Biotypes from the arbitrary method | | I | II | III | IV |
| All strains | | | | | Amoxicillin | | | | | MIC, range | 0.007–0.5 | 0.007–0.5 | 0.007–0.5 | 0.007–0.25 | MIC50 | 0.05 | 0.05 | 0.05 | 0.05 | MIC, mean | 0.092 | 0.059 | 0.084 | 0.042 | Cefazolin | | | | | MIC, range | 0.02–1.5 | 0.02–1.5 | 0.02–1.5 | 0.03–1.5 | MIC50 | 0.07 | 0.07 | 0.07 | 0.07 | MIC, mean | 0.153 | 0.152 | 0.158 | 0.169 | Teicoplanin | | | | | MIC, range | 0.1–1.5 | 0.1–1.5 | 0.1–1.5 | 0.1–1 | MIC50 | 0.5 | 0.5 | 0.5 | 0.5 | MIC, mean | 0.73 | 0.717 | 0.698 | 0.606 | Erythromycin | | | | | MIC, range | 0.015–1 | 0.015–1 | 0.015–1 | 0.04–1 | MIC50 | 0.07 | 0.07 | 0.07 | 0.07 | MIC, mean | 0.097 | 0.081 | 0.136 | 0.188 | Noncavitated group | | | | | Amoxicillin | | | | | MIC, range | 0.007–0.5 | 0.015–0.5 | 0.007–0.5 | 0.015–0.05 | MIC50 | 0.05 | 0.05 | 0.05 | 0.05 | MIC, mean | 0.096 | 0.08 | 0.078 | 0.012 | Cefazolin | | | | | MIC, range | 0.02–1.5 | 0.02–0.2 | 0.02–1.5 | 0.03–0.1 | MIC50 | 0.07 | 0.07 | 0.07 | 0.07 | MIC, mean | 0.153 | 0.15 | 0.153 | 0.15 | Teicoplanin | | | | | MIC, range | 0.1–1.5 | 0.1–1.5 | 0.1–1.5 | 0.1–1 | MIC50 | 0.5 | 0.5 | 0.5 | 0.5 | MIC, mean | 0.734 | 0.744 | 0.726 | 0.7 | Erythromycin | | | | | MIC, range | 0.015–1 | 0.015–0.5 | 0.015–1 | 0.04–0.07 | MIC50 | 0.07 | 0.07 | 0.07 | 0.07 | MIC, mean | 0.097 | 0.061 | 0.091 | 0.05 | Cavitated group | | | | | Amoxicillin | | | | | MIC, range | 0.015–0.5 | 0.007–0.5 | 0.007–0.5 | 0.007–0.25 | MIC50 | 0.05 | 0.05 | 0.04 | 0.04 | MIC, mean | 0.077 | 0.039 | 0.099 | 0.052 | Cefazolin | | | | | MIC, range | 0.02–1.5 | 0.02–1.5 | 0.02–1.5 | 0.03–1.5 | MIC50 | 0.07 | 0.07 | 0.08 | 0.08 | MIC, mean | 0.154 | 0.154 | 0.171 | 0.175 | Teicoplanin | | | | | MIC, range | 0.1–1.5 | 0.1–1.5 | 0.1–1.5 | 0.1–1 | MIC50 | 0.5 | 0.5 | 0.5 | 0.35 | MIC, mean | 0.716 | 0.692 | 0.627 | 0.575 | Erythromycin | | | | | MIC, range | 0.015–1 | 0.015–1 | 0.015–1 | 0.04–1 | MIC50 | 0.07 | 0.07 | 0.07 | 0.07 | MIC, mean | 0.098 | 0.099 | 0.252 | 0.233 |
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