19. CER vs PCOR: is there a difference? Not comparative Patient reported outcomes Subgroups Patient-Centered Outcomes Research Comparative Effectiveness Research Comparisons No patient reported data
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26. Matching the Designs Source: Thorpe KE et al, Journal of Clinical Epidemiology, 2009
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29. Matching the Design to the Question Observational Studies RCTs Balance Rigor Relevance Timeliness