All 50 Clostridium difficile strains were definitely identified by Vitek2 system, Rapid ID 32A system, and MALDI-TOF. For 18 non-difficile Clostridium strains, the identification results were correct in 2, 0, and 17 strains by Vitek2, Rapid ID 32A, and MALDI-TOF, respectively [corrected].
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