Converting between the International Prostate Symptom Score (IPSS) and the Expanded Prostate Cancer Index Composite (EPIC) urinary subscales: modeling and external validation.

"the full dataset notebook environment file and trained models have been uploaded to a public repository ( https://github com/windisch-paul/epic-ipss-converter ).; availability of data and materials all data and code used to obtain the results of this study have been uploaded to https://github com/windisch-paul/epic-ipss-converter ."

"the full dataset notebook environment file and trained models have been uploaded to a public repository ( https://github com/windisch-paul/epic-ipss-converter ).; availability of data and materials all data and code used to obtain the results of this study have been uploaded to https://github com/windisch-paul/epic-ipss-converter ."

"Declarations Ethics approval and consent to participateInstitutional review board approval was obtained from the ethical review committee of the canton of Zurich (Kantonale Ethikkommission) for a project (project number: BASEC 2020–02112) to analyze the effects and side effects of radiotherapy at our institution (ClinicalTrials.gov Identifier: NCT05192876, link: https://clinicaltrials.gov/study/NCT05192876). Written informed consent for the analysis of anonymized clinical and imaging data was obtained from all patients, and all data were gathered in accordance with the World Medical Association Declaration of Helsinki: Research involving human subjects. Consent for publicationNot applicable. Competing interestsP.W. has a patent application titled ‘Method for detection of neurological abnormalities’ outside of the submitted work. The remaining authors declare no conflict of interest. Competing interests P.W. has a patent application titled ‘Method for detection of neurological abnormalities’ outside of the submitted work. The remaining authors declare no conflict of interest."

"Funding No funding was received for this project."

"Trial registration This study was retrospectively registered on clinicaltrials.gov on January 14th, 2022, under the registration number NCT05192876."