Reading a cost-effectiveness or decision analysis study: Five things to consider.

Cost-effectiveness studies and decision analyses of neurologic practices, treatments, and technologies are increasing in the literature and have an emerging role within both medicine and neurology. Knowledge about these research approaches, how to interpret the results of such studies, as well as an understanding of their limitations will be of growing importance for the practicing neurologist. We discuss 5 aspects of these analyses to increase awareness about the uses and limitations of cost-effectiveness articles in everyday practice.