Table 4.

Evidence for a causal association with thrombocytopenia among 102 drugs analyzed by all 3 methods

Result	No. of drugs (N = 102)
Evidence by all 3 methods	23
Evidence by case reports and laboratory	1
Evidence by case reports and AERS	16
Evidence by laboratory and AERS	15
Evidence by case reports only	3
Evidence by laboratory only	5
Evidence only by AERS	25
No evidence by any method	14

The 3 methods of analysis were (1) case reports, (2) laboratory identification of drug-dependent, platelet-reactive antibodies, and (3) data mining of the FDA AERS database.