ArticleThe world journal of men's health2026
Systematic Measurement of Membranous Urethral Length Using a Cross-Reference System: A Study on Interrater Variability.
Article in The world journal of men's health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Refining the Predictive Accuracy of Membranous Urethral Length for Post-Prostatectomy Incontinence: A Standardized Approach in the Korean Population.Journal of clinical medicine · 2026Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo evaluate the effectiveness of a cross-reference system (CRS) in improving the reproducibility of membranous urethral length (MUL) measurements by reducing the interrater variability. MATERIALS AND
methodsA total of 100 patients who underwent robot-assisted radical prostatectomy (RARP) and preoperative MRI were enrolled. MUL measurements were independently performed by two urologists with different levels of experience, both before and after CRS implementation. The radiological reference MUL served as the baseline for comparison. Interrater variability and agreement with the radiological reference were assessed.
resultsMean MUL values measured by both raters and the radiological reference showed no significant difference after CRS implementation. However, interrater measurement error was substantially reduced after CRS implementation, and Bland-Altman analysis demonstrated markedly narrower limits of agreement. At 6 months, preoperative MUL showed no significant association with continence (area under the curve [AUC] and Brier score unaffected by CRS). By 12 months, MUL remained a significant predictor of continence (unadjusted odds ratio [OR]: 0.79, p=0.003; adjusted OR: 0.76, p=0.001), and CRS modestly improved discrimination (ΔAUC +0.02) and calibration (ΔBrier: -0.01).
conclusionsA systematic CRS-based measurement approach improved MUL reproducibility by reducing interrater variability. These findings emphasize the need for standardized MUL measurements to enhance the anatomical accuracy and continence prediction after RARP.
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