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Health Decision Sciences Center
The following case study highlights how these survey instruments, and parts of these instruments are being used in research, clinical care and for performance measurement.
Case Study of Decision Quality Instrument (DQI) UseCase 1: Patient experience surveysThe Consumer Assessment of Health Providers and Systems (CAHPS) instruments are one of the most prominent applications for the measurement of the quality of decision making process. Investigators at HDSC have been working with the CAHPS team to improve the questions relating to patients’ experiences around shared decision making. One of the key standards for a Patient Centered Medical Home (PCMH) is that shared decision making should be routine. The new NCQA-approved survey instrument for Clinicians and Groups (CG-CAHPS) that will be used to certify practices as PCMH, now includes a series of questions designed to measure shared decision making. The series builds on the four key elements of a good decision process: that the pros and cons of an intervention are discussed, that reasonable alternatives are presented for consideration, and that the patient is asked about his or her own treatment preference.
A challenge with measuring shared decision making in the CAHPS surveys is that we have found that these questions are only informative when they are asked about a specific decision. When people are asked to summarize across several decisions over the last year or six months, their answers become meaningless. However, there are not many decisions that occur often enough in primary care to get reliable information from a typical CAHPS survey sample, which to date, has precluded the use of the decision specific knowledge and goals items from the decision quality instruments. The decision to take a prescription drug is common enough to meet the sample requirements. Thus, the CG-CAHPS PCMH shared decision module focuses on that decision. The series is as follows:
A potential concern about these questions is that respondents could be talking about more than one medication decision. Further testing is underway to see if questions will produce more meaningful data when the series is edited to focus on only a single medication decision (e.g. medicine for high cholesterol or high blood pressure).See a list of available Decision Quality Instruments and learn more about the DQI development process.
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