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Investigator bias in urodynamic studies for functional urinary incontinence.
J Urol. 2009 Oct; 182(4 Suppl):1949-52.JU

Abstract

PURPOSE

In the setting of the European Bladder Dysfunction Study, a multicenter, randomized, controlled trial of treatment options for functional incontinence in children, we assessed the concordance between reported and reviewed urodynamic scores.

MATERIALS AND METHODS

A total of 97 children with clinically diagnosed urge syndrome and 105 with clinically diagnosed dysfunctional voiding enrolled in the European Bladder Dysfunction Study and underwent full urodynamic studies before and immediately after treatment for urinary incontinence. Photocopies of 72% of the original urodynamic recordings were available for blinded review.

RESULTS

The concordance for detrusor overactivity throughout the filling phase was 37% in urge syndrome cases and for increased pelvic floor activity during voiding it was 81% in dysfunctional voiding cases. Differences in original and reviewed scores were equally distributed among participating centers.

CONCLUSIONS

Concordance between original and reviewed urodynamic scores was low for detrusor overactivity. Concordance was acceptable for increased pelvic floor activity during voiding but was not specific for dysfunctional voiding. Since interpreting urodynamic studies is based on pattern recognition, investigator bias can only be compensated for by blinded review of the actual recordings.

Links

Publisher Full Text
jurology.com
linkinghub.elsevier.com
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Aggregator Full Text

Authors+Show Affiliations

Bael A
Department of Pediatrics, University Hospital, Antwerp, Belgium. anbael@attglobal.net
Verhulst J
No affiliation info available
Lax H
No affiliation info available
Hirche H
No affiliation info available
van Gool JD
No affiliation info available
European Bladder Dysfunction Study EU BMH1-CT94-1006
No affiliation info available

MeSH

ChildHumansObserver VariationRandomized Controlled Trials as TopicUrinary IncontinenceUrodynamics

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19695596

Citation

Bael, An, et al. "Investigator Bias in Urodynamic Studies for Functional Urinary Incontinence." The Journal of Urology, vol. 182, no. 4 Suppl, 2009, pp. 1949-52.
Bael A, Verhulst J, Lax H, et al. Investigator bias in urodynamic studies for functional urinary incontinence. J Urol. 2009;182(4 Suppl):1949-52.
Bael, A., Verhulst, J., Lax, H., Hirche, H., & van Gool, J. D. (2009). Investigator bias in urodynamic studies for functional urinary incontinence. The Journal of Urology, 182(4 Suppl), 1949-52. https://doi.org/10.1016/j.juro.2009.05.098
Bael A, et al. Investigator Bias in Urodynamic Studies for Functional Urinary Incontinence. J Urol. 2009;182(4 Suppl):1949-52. PubMed PMID: 19695596.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Investigator bias in urodynamic studies for functional urinary incontinence. AU - Bael,An, AU - Verhulst,John, AU - Lax,Hildegard, AU - Hirche,Herbert, AU - van Gool,Jan D, AU - ,, Y1 - 2009/08/20/ PY - 2008/11/30/received PY - 2009/8/22/entrez PY - 2009/8/22/pubmed PY - 2009/10/30/medline SP - 1949 EP - 52 JF - The Journal of urology JO - J Urol VL - 182 IS - 4 Suppl N2 - PURPOSE: In the setting of the European Bladder Dysfunction Study, a multicenter, randomized, controlled trial of treatment options for functional incontinence in children, we assessed the concordance between reported and reviewed urodynamic scores. MATERIALS AND METHODS: A total of 97 children with clinically diagnosed urge syndrome and 105 with clinically diagnosed dysfunctional voiding enrolled in the European Bladder Dysfunction Study and underwent full urodynamic studies before and immediately after treatment for urinary incontinence. Photocopies of 72% of the original urodynamic recordings were available for blinded review. RESULTS: The concordance for detrusor overactivity throughout the filling phase was 37% in urge syndrome cases and for increased pelvic floor activity during voiding it was 81% in dysfunctional voiding cases. Differences in original and reviewed scores were equally distributed among participating centers. CONCLUSIONS: Concordance between original and reviewed urodynamic scores was low for detrusor overactivity. Concordance was acceptable for increased pelvic floor activity during voiding but was not specific for dysfunctional voiding. Since interpreting urodynamic studies is based on pattern recognition, investigator bias can only be compensated for by blinded review of the actual recordings. SN - 1527-3792 UR - https://www.unboundmedicine.com/medline/citation/19695596/Investigator_bias_in_urodynamic_studies_for_functional_urinary_incontinence_ L2 - https://www.jurology.com/doi/10.1016/j.juro.2009.05.098?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -