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Previous Volume 298:305-309 February 9, 1978 Number 6 Next

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Abstract

We conducted a prospective study in a prepaid primary-care practice (health-maintenance organization) of a system in which nurses and physician assistants used protocols, and compared the efficiency and costs of this "new-health-practitioner" protocol system to a physician-only nonprotocol system. In five months, we studied 472 patients with any of four common acute complaints--respiratory infections, urinary and vaginal infections, headache, and abdominal pain; a subset of 203 patients was randomly allocated between the two systems. In the new-health-practitioner system physician time per patient was reduced by 92 per cent, from 11.8 to 0.9 minutes, and average visit costs--including practitioner time and charges for laboratory tests and medications--were 20 per cent less (P = 0.01). We conclude that this protocol system saves physician time and reduces costs.

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