Table 2.

Summary of the fulfillment of proposed diagnostic criteria of AAE by MRSA

Criterion #	Criterion 1	Criterion 2	Criterion 3	Criterion 4	Criterion 5	Criterion 6	Criterion 7	Criterion 8	Criterion 9
Criterion	Prior exposure to antibiotics	Endoscopic findings c/w AAE	Gram staining or other microscopic findings	Presence of MRSA while excluding CDI	Comparison group	Toxin assay	Animal model	Response to the treatment	Judged to be different from TSS or food poisoning
Number of studies fulfilled the criterion	38	10	11	45	11	18	0	34	34

Abbreviations: MRSA methicillin-resistant Staphylococcus aureus, c/w consistent with, AAE antibiotic associated enterocolitis, CDI Clostridium difficile infection, TSS toxic shock syndrome.