Efforts to bring health care providers together in groups to collaborate on quality improvement strategies may help keep patients happier and more compliant with instructions for care, but there is yet to be documented evidence of the efforts resulting in improved outcomes, according to a new study. Researchers looked at a half-dozen medical practices that participated in the Institute for Healthcare Improvement's Breakthrough Series Collaborative for adult asthma care, and did see happier patients, but whether they were healthier was questionable.

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