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An international study of the interobserver variation between interpretations of vaginal smear criteria of bacterial vaginosis


  • Received April 18, 2002.

    Accepted September 12, 2002.

Urban Forsum, Division of Clinical Microbiology, Linköpings Universitet, SE-581 85 Linköping, Sweden. e-mail:


An international workshop on vaginal smear-based diagnosis of bacterial vaginosis was organized where 13 investigators scoring 258 slides with smears from vaginal fluid. Interobserver reproducibility of interpretations of Nugent scores, Hay/Ison scores and wet smear scores for the diagnosis of bacterial vaginosis was shown to be high. Detailed analysis of individual scoring results however indicated that basic standards of quality control to ensure robust individual readings of slides must be adhered to.

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