A study designed to test whether eliminating copays would improve adherence to antiplatelet therapy showed that, yes, indeed, it does. But the results also showed no reduction in major cardiovascular events among those who stuck with the medication.
Too often, the prices of health care services and drugs are cloaked in mystery. A growing consensus demands that patients be given a clearer sense, in advance, of what things will cost. But there are obstacles–and some people benefit from the present confusion.