Table 1. Contingency table of the distribution of citations from three different classifications of review to four secondary prevention RCTs.

	Oslo [10]	MRC [11]	Rose [8]	Research Committee [9]	Row Totals
Neutral	17	15	7	7	46
Unsupportive	12	12	6	8	38
Supportive	28	5	2	2	37
Column Totals	57	32	15	17	121