Interventions designed to improve the quality and efficiency of medication use in managed care: A critical review of the literature – 2001–2007

Table 1 Studies identified according to key features and predominant intervention strategy

	Educational	Monitoring & Feedback	Formulary*	Collaborative Care Involving Pharmacists	Disease Management†	TOTAL
All studies	20	22	66	15	41	164
Methodologically acceptable studies	7	16	15	5	8	51
RCT	5	10	2	3	7	27
Interrupted time series	0	5	5	0	0	10
Pre/post studies with comparison	2	1	8	2	1	14
Interventions in methodologically acceptable studies‡	17	18	21	5	8	69

* published studies from 1966 through January 2007.
† Only studies with pharmacotherapy as a primary focus.
‡ Studies may have examined more than one intervention and multiple studies may have examined the same intervention

ISSN: 1472-6963