MRCP part 1 sample question from OnExamination - IHD placebo statistics

A publication reports the outcome of a new statin therapy in a placebo controlled primary prevention of ischaemic heart disease in a diabetic population. 1000 patients were randomised to receive the new therapy and 1000 allocated to placebo. The study was completed over a five year period. In the placebo group there were 150 myocardial infarcts (MI) and in the group treated with the new statin there were 100 myocardial infarcts.
Source: Doc2Doc BMJ Cardiology - Category: Cardiology Authors: Source Type: forums