Int Neurourol J.
2020 Jun;24(2):156-162. 10.5213/inj.1938116.058.
Daily Pad Usage Versus the International Consultation on Incontinence Questionnaire Short Form for Continence Assessment Following Radical Prostatectomy
- Affiliations
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- 1Department of Urology, Clinica Universidad de Navarra, Pamplona, Spain
- 2Department of Urology, Hospital Universitari Son Espases, Palma de Mallorca, Spain
- 3Centre for Economic Impacts of Genomic Medicine (GenIMPACT), Macquarie University, Sydney, Australia
- 4Discipline of Surgery, Sydney Medical School, The University of Sydney, Sydney, Australia
- 5Department of Urology, Westmead Hospital, Sydney, Australia
- 6Westmead Private Physiotherapy Services, Westmead Private Hospital Sydney, Sydney, Australia
- 7The Clinical Research Institute, Sydney, Australia
- 8Department of Health Professions, Faculty of Health, Arts and Design, Swinburne University of Technology, Melbourne, Australia
- KMID: 2503374
- DOI: http://doi.org/10.5213/inj.1938116.058
Abstract
- Purpose
Continence assessment is an essential component of follow-up after radical prostatectomy (RP). Several methods exist to assess the severity of urinary incontinence (UI). Our study examined the relationship and degree of agreement between International Consultation on Incontinence Questionnaire Short Form (ICIQ-SF) scores and the number of pads used in a 24-hour period in the assessment of UI following RP.
Methods
Continence was prospectively assessed in 746 men from a Spanish urology clinic 12 months after RP using the ICIQ-SF and pad usage. The relationship between ICIQ-SF scores and pad usage was assessed using Spearman rank correlation coefficients. The Jonckheere-Terpstra trend test was used to determine whether the ICIQ-SF score and the component question scores increased with increasing pad usage. The Bonferroni-corrected pairwise Wilcoxon rank-sum test was used to determine which pairs of pad usage levels differed. The weighted kappa was used to evaluate the agreement between pad usage levels and ICIQ-SF questions.
Results
The continence rate was 82% using the “no pad usage” definition of continence versus 78% using the definition of an ICIQ-SF score of 0 (P<0.001). Strong positive correlations were observed between the number of pads and the ICIQ-SF total and component question scores (rs>0.85, P<0.001). The ICIQ-SF total and component question scores increased significantly with increasing pad usage (P<0.001). The ICIQ-SF scores (P<0.018) for all pairs of pad usage levels (0, 1, 2, or 3 or more) differed significantly. The agreement between the ICIQ-SF leakage amount question and pad usage was very good (rs=0.861, P<0.001).
Conclusions
At 12 months post-RP, 24-hour pad usage was closely correlated with ICIQ-SF, although the continence rate differed depending on the definition used. Higher levels of pad usage were associated with higher questionnaire scores, more leakage, and poor quality of life (interference with everyday life).
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