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Table 3 MIC50/90 values of human and animal C.difficile isolates

From: Clostridium difficile genotypes other than ribotype 078 that are prevalent among human, animal and environmental isolates

Host   ERY (mg/L) MXF (mg/L) TET (mg/L) CLI (mg/L) TZP (mg/L)
Humans (n = 32) MIC50 1.5 1 0.094 3 6
  MIC90 3 > 256 0.19 > 256 12
  Range 0.38- > 256 0.50- > 256 0.025-8 1- > 256 1.5-64
Animals (n = 18) MIC50 1 0.75 0.125 3 6
  MIC90 2 1 0.19 5 8
  Range 0.38-3 0.19-1 0.047-4 0.023-6 1.5-16
All (n = 50) MIC50 1.5 1 0.094 3 6
  MIC90 3 1.5 0,19 8 8
  Range 0.38- > 256 0.19- > 256 0.025-8 0.023- > 256 1.5-64