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Is there a clinical benefit from prostate cancer center certification? An evaluation of functional and oncologic outcomes from 22,649 radical prostatectomy patients

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Abstract

Purpose

To explore whether patients undergoing radical prostatectomy at a German Cancer Society (DKG: Deutsche Krebsgesellschaft) certified center (CC) have superior functional and surgical outcomes compared to patients undergoing radical prostatectomy at a non-certified hospital (nCC).

Methods

A retrospective cohort of 22,649 patients treated between 2008 and 2017 and subsequently recovered at two rehabilitation clinics within 35 days of surgery were analyzed. Urine loss (24 h-pad-test), margin status, and nerve-sparing status at rehab admission were compared between CC and nCC patients, adjusting for age, histopathology (pT, pN, Gleason score), metastases (cM), Karnofsky performance status, time from surgery to rehabilitation, and insurance provider (statutory vs. private).

Results

Thirty-four percent of patients underwent surgery at a CC. Complete continence is more pronounced in patients treated in CC (16.6% vs. 24.4%, p < 0.001). In the adjusted models, incontinent patients from CC had less urine loss compared to patients from nCC (− 27.41% difference; 95% CI − 31.71% to − 22.84%, p < 0.001). CC patients were less likely to have positive resection margins (adjusted OR 0.71; 95% CI 0.66 to 0.76, p < 0.001) and more likely to have had a nerve-sparing procedure (adjusted OR 1.29; 95% CI 1.21 to 1.38, p < 0.001).

Conclusion

Patients treated at certified centers presented to rehab with better urinary continence, higher nerve-sparing rates, and lower positive-margin rates. These results imply superior care at DKG certified centers.

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Abbreviations

DKG:

German Cancer Society

CC:

Certified center

nCC:

Non-certified center

RP:

Radical prostatectomy

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Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Authors and Affiliations

Authors

Contributions

MCB-B contributed to protocol and project development, data collection or management, data analysis, and manuscript writing and editing. GM contributed to data collection or management, data analysis, and manuscript writing and editing. DP contributed to writing and manuscript editing. EK contributed to data collection, protocol and project development. UO contributed to protocol and project development and manuscript editing.

Corresponding author

Correspondence to Marius Cristian Butea-Bocu.

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Conflict of interest

All authors declare no conflict of interest.

Animal and human rights

Not applicable, i.e., the study involves no human participants, personal data, or human tissue but only aggregated quality information.

Ethical standards

All patients gave their informed consent prior to data collection. The study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. The present study involves no human participants, personal data, or human tissue but only aggregated quality information.

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Butea-Bocu, M.C., Müller, G., Pucheril, D. et al. Is there a clinical benefit from prostate cancer center certification? An evaluation of functional and oncologic outcomes from 22,649 radical prostatectomy patients. World J Urol 39, 5–10 (2021). https://doi.org/10.1007/s00345-020-03411-9

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