Clinically important differences in health status for patients with heart disease: an expert consensus panel report.


BACKGROUND The purpose of the study was to develop clinically important difference (CID) standards for patients with coronary artery disease and congestive heart failure that identify small, moderate, and large intraindividual changes with time in a modified version of the Chronic Heart Failure Questionnaire (CHQ) and the Medical Outcomes Study Short-Form… (More)


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