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J Community Health. 1978;3(4):292-305. doi: 10.1007/BF01498506.

Quality assurance in primary care: a strategy based on outcome assessment.

Journal of community health

A I Mushlin, F A Appel, D M Barr

PMID: 730840 DOI: 10.1007/BF01498506

Abstract

We describe an outcome-based approach to quality assurance in primary care and present data from an initial study made to explore its usefulness. A questionnaire, which asked patients to report on the status of their problem in terms of the amount of symptoms, activity limitation, and anxiety it caused, was mailed to adults who had been seen a month previously for upper respiratory tract infection, sore throat, or urinary tract infection. Outcome standards developed for these conditions indicated that patients should report no symptoms, activity limitation, or anxiety. Of the 127 patients who responded, 17% failed to meet these standards. A review of their medical records was conducted to test the value of using substandard problem-status outcome as an indicator of important deficiencies in care. Definite deficiencies in care were found for 57% of those with substandard outcomes and for 2% of those with acceptable outcomes. Corrective action was judged likely to benefit 95% of the cases with substandard outcome and 7% of those with acceptable outcomes. Data from the medical records were insufficient to explain the reasons for substandard outcome in all cases, thus emphasizing the need to examine also patient- and system-related variables not evident in the medical record. An approach to quality assurance that is based on measuring outcome and then determining the reasons for poor outcome in useful for uncovering correctable errors in the delivery of primary care. In order for the approach to be effective in improving care, the outcome measures used must be sensitive to the role of primary care in assisting partients to resolve health problems.

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