Changes in prostate cancer survival among insured patients in relation to USPSTF screening recommendations

BMC Urology(2022)

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摘要
Background To investigate the effects of the U.S. Preventive Services Task Force’s (USPSTF) 2012 recommendation against prostate-specific antigen (PSA)-based screening for prostate cancer on survival disparities based on insurance status. Prior to the USPSTF’s 2012 screening recommendation, previous studies found that insured patients with prostate cancer had better outcomes than uninsured patients. Methods Using the SEER 18 database, we examined prostate cancer-specific survival (PCSS) based on diagnostic time period and insurance status. Patients were designated as belonging to the pre-USPSTF era if diagnosed in 2010–2012 or post-USPSTF era if diagnosed in 2014–2016. PCSS was measured with the Kaplan–Meier method, while disparities were measured with the Cox proportional hazards model. Results During the pre-USPSTF era, uninsured patients experienced worse PCSS compared to insured patients (adjusted HR 1.256, 95% CI 1.037–1.520, p = 0.020). This survival disparity was no longer observed during the post-USPSTF era as a result of decreased PCSS among insured patients combined with unchanged PCSS among uninsured patients (adjusted HR 0.946, 95% CI 0.642–1.394, p = 0.780). Conclusions Although the underlying reasons are not clear, the USPSTF’s 2012 PSA screening recommendation may have hindered insured patients from being regularly screened for prostate cancer and selectively led to worse outcomes for insured patients without affecting the survival of uninsured patients.
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关键词
Prostate cancer, Insurance, Survival disparity, SEER
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