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Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Clostridium difficile (Europe) - 2 ? － ? 284
Clostridium difficile (North America) - 2 ? － ? 284
Clostridium innocuum 2 - 1 － 2 1474
Clostridium paraputrificum - - 0.25 － ? 1474
Clostridium perfringens ≤0.004 ≤0.004 ≤0.004 － 0.008 340
Clostridium perfringens <=0.016 <=0.016 <=0.016 － 0.03 1474
Clostridium perfringens <=0.03 <=0.03 <=0.03 － ? 1475
Clostridium perfringens 0.062 0.062 0.06 － ? 1479
Clostridium perfringens - - 0.03 － ? 1474
Clostridium perfringens (Europe) <- <0.06 ? － ? 284
Clostridium perfringens (North America) - 0.06 ? － ? 284
Clostridium ramosum 0.12 1 <=0.03 － 1 1475
Clostridium ramosum 0.5 1 0.5 － 1 1479
Clostridium ramosum 1 - 0.5 － 2 1474
Clostridium septicum 0.12 1 <=0.03 － 1 1475
Clostridium sordellii - - 0.06 － ? 1474
Clostridium sporogenes 0.12 1 <=0.03 － 1 1475
Clostridium spp. 0.25 1 ≤0.004 － 4 340
Clostridium spp. 1 2 0.03 － 4 53
Clostridium spp. - - 0.6 － ? 340
Clostridium spp. (clindamycin-resistant) - - ≤0.004 － 1 340
Clostridium spp. (metronidazole-resistant) - - 0.03 － 4 340
Enterobacter aerogenes ≤0.12 ≤0.12 ≤0.12 － ? 479
Enterobacter aerogenes 0.25 0.25 0.25 － >16 55
Enterobacter aerogenes 0.25 4 ≤0.06 － 16 1371
Enterobacter aerogenes - 0.25 ? － ? 171
Enterobacter aerogenes (Europe + ceftazidime-resistant) - 0.25 ≤0.008 － 1 284
Enterobacter aerogenes (Europe) - 0.25 ? － ? 284