The New England Journal of Medicine
recently examined comparative effectiveness research and the need for cost-effectiveness analysis. "At some point . . . we will have to confront the problem of cost-effectiveness at the level of the patient," the authors write. "Even if all hospitals, medical practices, and health plans became efficient in the sense that they adopted all interventions that are more cost-effective than anything they currently do, they would still have to draw the line on expenditures somewhere."