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Urticaria in a family practice.

C F Margolis, R Nisi

    The Journal of Family Practice
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    This study found that urticaria (hives) affects 0.27% annually, predominantly females, with most cases resolving within six weeks. Diagnostic coding errors were common, highlighting potential issues in medical record studies.

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    Area of Science:

    • Dermatology
    • Family Medicine
    • Epidemiology

    Background:

    • Urticaria, commonly known as hives, is a frequent dermatological condition encountered in primary care settings.
    • Understanding the incidence, characteristics, and diagnostic accuracy of urticaria is crucial for effective patient management and research.

    Purpose of the Study:

    • To determine the annual incidence and clinical features of urticaria in a family practice setting.
    • To evaluate the accuracy of diagnostic coding for urticaria and identify potential sources of error.

    Main Methods:

    • A retrospective chart review of 79 patients diagnosed with urticaria over a 7-year period at a residency-based family practice center.
    • Analysis of patient demographics, duration of urticaria, personal history of atopy, identified causes, diagnostic testing, and treatment modalities.

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  • Assessment of the accuracy of coded diagnoses by independent chart reviewers.

    • Main Results:

    • The annual incidence of urticaria was 0.27%, with a female predominance (76%).
    • Approximately 70% of cases resolved within 6 weeks; acute urticaria was associated with a history of atopy (P < .05).
    • Causes were unidentified in 54% of cases, and significant diagnostic coding errors (26% incorrect/unsupported) and clerical errors were noted.

    Conclusions:

    • Urticaria is a common condition in family practice with a generally favorable prognosis, but accurate diagnosis and coding present challenges.
    • The study highlights the need for improved diagnostic coding accuracy and physician education to ensure reliable data for clinical studies.
    • Potential for diagnostic and coding errors may impact the validity of retrospective studies on urticaria.