Quality of Care in Episodes of Respiratory Illness Among Medicaid Patients in New Mexico

  1. KATHLEEN N. LOHR, M.A.; and
  2. ROBERT H. BROOK, M.D., SC.D.
  1. Washington, D.C.; and Santa Monica and Los Angeles, California

    Abstract

    As part of ambulatory-care review, the New Mexico Experimental Medical Care Review Organization (EMCRO) developed medical guidelines for the use of injections and informed physicians about them through written communications and personal visits. After their adoption, the EMCRO denied payment for Medicaid claims not meeting the guidelines. To study the effect of these activities, we compared quality of care in entire episodes of respiratory infections before and after guidelines were promulgated. Quality as judged by minimal criteria for antibiotic use improved. Percentages of episodes with appropriate therapy rose from 36% to 42% for streptococcal sore throat, from 42% to 81% for bronchitis, and from 36% to 51% for acute upper respiratory infection. Quality improved most among physicians with the poorest records initially; "outliers" still gave inadequate care. Assessment of episodes of care derived from claims data thus appears to be a feasible and nonintrusive mechanism for detecting deficiencies in quality and evaluating quality-assurance activities.

    Article and Author Information

    • ▸From The Health Program, The Rand Corporation, Washington, D.C., and Santa Monica, California; and the Departments of Medicine and Public Health, University of California; Los Angeles, California.

    • ▸Published with the permission of The Rand Corporation, Santa Monica, California.

    • This work was performed in part pursuant to Contract No. HEW-100-760180 and in part pursuant to the Health Insurance Study grant from the U.S. Department of Health, Education, and Welfare.

    • ▸Requests for reprints should be addressed to Kathleen N. Lohr; The Rand Corporation, 2100 M Street, N.W.; Washington, D.C. 20037.

      • Received July 27, 1979.
      • Accepted November 5, 1979.
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