Figure 1From: The quality of the evidence base for clinical pathway effectiveness: Room for improvement in the design of evaluation trials Simplified EPOC standard of study designs considered for inclusion in the present review. Source: Bero L, Eccles M, Grimshaw J, Gruen RL, Mayhew A, Oxman AD, Tavender E, Zwarenstein M, Shepperd S, Paulsen E, Pantoja T, Lewin S, Ballini L. Cochrane Effective Practice and Organisation of Care Group (Cochrane Group Module). About The Cochrane Collaboration (Cochrane Review Groups (CRGs)). The Cochrane Library. Oxford: John Wiley, 2009; adopted by the authors.Back to article page