Commission on Professional and Hospital Activities

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A nonprofit American organization founded in Ann Arbor, Michigan, in 1955, to conduct evaluations of the quality of hospital care, using statistical analyses of aspects of patient care, such as length of hospital stay, investigations and treatment regimens, and outcomes of care. Its best known analytic method is the Professional Activity Study, which was conducted in hospitals in the United States, Canada, and several other countries for more than 40 years until being supplanted by computer-based record systems and was one of the standards used to establish clinical practice guidelines.

Subjects: Public Health and Epidemiology.

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