Re-assessment of 30-, 60- and 90-day mortality rates in non-metastatic prostate cancer patients treated either with radical prostatectomy or radiation therapy

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Erscheinungsjahr:
2014
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Text
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  • INTRODUCTION: It is customary to consider deaths that occur within 90 days of surgery as caused by that surgery. However, such practice may overestimate the true short-term mortality rates after radical prostatectomy (RP). Indeed, treatment-unrelated events might affect short-term mortality rates. We assess RP-specific excess short-term mortality.

    METHODS: We performed a retrospective analysis of a population-based cohort of 59 010 patients (RP = 28 281 and external beam radiation therapy [EBRT] as reference group, n = 30 729) who were treated between 1998 and 2005 for non-metastatic prostate cancer. Using univariate and multivariate logistic regression analyses, we assessed the rates of 30-, 60- and 90-day mortality after either RP or EBRT.

    RESULTS: Within the cohort, 30-, 60- and 90-day mortality rates were 0.2, 0.5 and 0.6%, and 0.1, 0.4 and 0.6% for RP and EBRT patients, respectively. This resulted in overall 30-, 60, and 90- day mortality differences of 0.1, 0.1 and 0%, respectively. After stratification according to age and Charlson comorbidity index (CCI), the magnitude of these differences increased up to 3.2% in favour of EBRT in patients aged >75 years with CCI ≥2. In multivariable analysis, rates of 30-, 60- and 90- day mortality were 5.2-, 1.8- and 1.3-fold higher after RP than EBRT, respectively. Our study is limited by its non-randomized design.

    CONCLUSION: Overall, absolute short-term mortality rates after RP are comparable to those of EBRT. The difference decreases over time: 90 days <60 days <30 days. Nonetheless, their magnitude is far from trivial in the elderly and sickest patients.

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  • info:eu-repo/semantics/restrictedAccess
Quellsystem:
Forschungsinformationssystem des UKE

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oai:pure.atira.dk:publications/89bd8fef-af42-41f1-b280-fcf80303d663