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. 2023 Dec 7;15(24):5740.
doi: 10.3390/cancers15245740.

Validation of Claims Data for Absorbing Pads as a Measure for Urinary Incontinence after Radical Prostatectomy, a National Cross-Sectional Analysis

Diederik J H Baas  1   2 , Jan Reitsma  3 , Lieke van Gerwen  4 , Jaron Vleghaar  4 , Jolanda M L G Gehlen  5 , Cathelijne M P Ziedses des Plantes  6 , Jean Paul A van Basten  1   2 , Roderick C N van den Bergh  7 , H Max Bruins  8 , Eelco R P Collette  9 , Robert J Hoekstra  2   10 , Ben C Knipscheer  11 , Pim J van Leeuwen  12 , Daphne Luijendijk-de Bruin  13 , Joep G H van Roermund  14 , J P Michiel Sedelaar  2   15 , Tommy G W Speel  16 , Saskia P Stomps  17 , Carl J Wijburg  18 , Rob P W F Wijn  19 , Igle Jan de Jong  20 , Diederik M Somford  1   2
Affiliations

Validation of Claims Data for Absorbing Pads as a Measure for Urinary Incontinence after Radical Prostatectomy, a National Cross-Sectional Analysis

Diederik J H Baas et al. Cancers (Basel). .

Abstract

The use of healthcare insurance claims data for urinary incontinence (UI) pads has the potential to serve as an objective measure for assessing post-radical prostatectomy UI rates, but its validity for this purpose has not been established. The aim of this study is to correlate claims data with Patient Reported Outcome Measures (PROMs) for UI pad use. Patients who underwent RP in the Netherlands between September 2019 and February 2020 were included. Incontinence was defined as the daily use of ≥1 pad(s). Claims data for UI pads at 12-15 months after RP were extracted from a nationwide healthcare insurance database in the Netherlands. Participating hospitals provided PROMS data. In total, 1624 patients underwent RP. Corresponding data of 845 patients was provided by nine participating hospitals, of which 416 patients were matched with complete PROMs data. Claims data and PROMs showed 31% and 45% post-RP UI (≥1 pads). UI according to claims data compared with PROMs had a sensitivity of 62%, specificity of 96%, PPV of 92%, NPV of 75% and accuracy of 81%. The agreement between both methods was moderate (κ = 0.60). Claims data for pads moderately align with PROMs in assessing post-prostatectomy urinary incontinence and could be considered as a conservative quality indicator.

Keywords: healthcare administrative claim; patient reported outcome measures; prostate cancer; prostatectomy; quality of life; urinary incontinence.

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Conflict of interest statement

The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.

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