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  • Title: Interobserver and intra-observer agreement in interpreting urodynamic measurements in children.
    Author: Venhola M, Reunanen M, Taskinen S, Lahdes-Vasama T, Uhari M.
    Journal: J Urol; 2003 Jun; 169(6):2344-6. PubMed ID: 12771796.
    Abstract:
    PURPOSE: We evaluated the comparability and repeatability of analyses based on urodynamic reports. MATERIALS AND METHODS: We assessed interobserver and intra-observer agreement when interpreting urodynamic examinations performed in children. Four pediatric urologists analyzed 17 sets of urodynamic data and gave their interpretations of the possible underlying condition of the tested subjects. The consensus among observers was analyzed using the kappa statistic. RESULTS: Poor agreement was observed on suggested diagnoses based on uroflow curves. Good consensus was noted on maximal flow rates but the interpretations of urethral pressure profile curves and the resulting diagnoses regarding sphincter function differed significantly. It also appeared to be difficult to reach agreement regarding bladder compliance and detrusor activity. CONCLUSIONS: The consistency of the interpretations of urodynamic studies should be improved before they are accepted as measures for comparing urodynamic diagnoses or effects of treatment between patient series.
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