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Sanyal C, Ragavan MV. Beyond the PSA: The hidden costs of screening in prostate cancer. Cancer 2024; 130:3272-3274. [PMID: 39012908 DOI: 10.1002/cncr.35474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
The diagnostic workup following a positive prostate‐specific antigen test may lead to significant out‐of‐pocket costs for patients. Providers should incorporate costs into shared decision‐making with patients; in parallel, policymakers and payers must identify solutions to mitigate financial burdens that risk widening existing disparities in prostate cancer care.
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Affiliation(s)
- Chiranjeev Sanyal
- College of Pharmacy, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Meera V Ragavan
- Division of Research, Kaiser Permanente, Pleasanton, California, USA
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Srivastava A, Tilea A, Kim DD, Dalton VK, Fendrick AM. Out-of-pocket costs for diagnostic testing following abnormal prostate cancer screening among privately insured men. Cancer 2024; 130:3305-3310. [PMID: 39005006 DOI: 10.1002/cncr.35392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 05/02/2024] [Accepted: 05/06/2024] [Indexed: 07/16/2024]
Abstract
OBJECTIVE Prostate cancer is the most common malignancy among men and following a positive prostate-specific antigen (PSA) screening test, patients may undergo more expensive diagnostic testing. However, testing-related out-of-pocket costs (OOPCs), which may preclude patients from completing the screening process, have not been previously quantified. OOPCs for follow-up diagnostic testing (i.e., prostate biopsy and/or magnetic resonance imaging [MRI]) in patients with private insurance undergoing prostate cancer screening were estimated. METHODS Men ages 55 to 69 years old who underwent PSA-based prostate cancer screening from 2010 to 2020 from the IBM Marketscan database were identified. The number of patients undergoing follow-up diagnostic testing within 12 months of screening was tabulated, dividing patients into three groups: (1) biopsy only, (2) MRI only, and (3) MRI + biopsy. Over the study period, patients with nonzero cost-sharing and calculated inflation-adjusted OOPCs, adding copayment, coinsurance, and deductible payments, for each group were identified. RESULTS Among screened patients (n = 3,075,841) from 2010 through 2020, 91,850 had a second PSA test and an elevated PSA level, of which 40,329 (43.9%) underwent subsequent diagnostic testing. More than 75% of these patients experienced cost-sharing, and median OOPCs rose substantially over the study period for patients undergoing biopsy only ($79 to $214), MRI only ($81 to $490), and MRI and biopsy ($353 to $620). CONCLUSIONS OOPCs from diagnostic testing after prostate cancer screening are common and rising. This work aligns with the recent position statement from the American Cancer Society, that payers should eliminate cost-sharing, which may undermine the screening process, for diagnostic testing following cancer screening.
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Affiliation(s)
- Arnav Srivastava
- Dow Division of Health Services Research, Department of Urology, University of Michigan, Ann Arbor, Michigan, USA
| | - Anca Tilea
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan, USA
| | - David D Kim
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Vanessa K Dalton
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan, USA
| | - A Mark Fendrick
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
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Lindsay D, Schofield P, Nabukalu D, Roberts MJ, Yaxley J, Quinn S, Richards N, Frydenberg M, Gardiner R, Lawrentschuk N, Juraskova I, Murphy DG, Gordon LG. The impact of management option on out-of-pocket costs and perceived financial burden among men with localised prostate cancer in Australia within 6 months of diagnosis. AUST HEALTH REV 2024; 48:172-181. [PMID: 38342484 DOI: 10.1071/ah23231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 01/26/2024] [Indexed: 02/13/2024]
Abstract
Objective This study aimed to quantify the out-of-pocket (OOP) costs and perceived financial burden among Australian men with localised prostate cancer in the first 6 months after diagnosis, by primary management option. Methods This cost-analysis quantified OOP costs using administrative claims data and self-reported survey data. Financial burden was assessed using the COmprehensive Score for financial Toxicity-Functional Assessment of Chronic Illness Therapy (COST-FACIT) tool. Participants were recruited into a randomised control trial from public or private treatment centres in Victoria and Queensland. Generalised linear models were used to predict OOP costs and COST-FACIT scores. Results Median total OOP costs within 6 months of diagnosis for 256 Australian patients with localised prostate cancer was A$1172 (A$343-2548). Up to 50% of the sample reported A$0 costs for most medical services. Compared with those managed with active surveillance, men having active treatment had 6.4 (95% CI: 3.2-12.7) times greater total OOP costs. Management option, higher Gleason score at diagnosis and having multiple comorbidities were significant predictors of higher OOP costs. Overall high scores on the COST-FACIT indicated low levels of financial burden for the entire sample. Conclusion Largely attributable to being managed with active surveillance, Australian men diagnosed with localised prostate cancer reported relatively low OOP costs and financial burden in the first 6 months post-diagnosis. Together with clinical outcomes, clinicians can use this up to date evidence on costs and perceived financial burdens to assist localised prostate cancer patients and their families make informed decisions about their preferred management option.
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Affiliation(s)
- Daniel Lindsay
- Health Economics, Population Health Department, QIMR Berghofer Medical Research Institute, 300 Herston Road, Herston, Brisbane, Qld 4006, Australia; and Faculty of Medicine, The University of Queensland, Qld, Australia
| | - Penelope Schofield
- Department of Psychology, Swinburne University of Technology, Melbourne, Vic., Australia; and Behavioural Science Unit, Peter MacCallum Cancer Centre, Melbourne, Vic., Australia; and Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Vic., Australia
| | - Doreen Nabukalu
- Health Economics, Population Health Department, QIMR Berghofer Medical Research Institute, 300 Herston Road, Herston, Brisbane, Qld 4006, Australia
| | - Matthew J Roberts
- Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Vic., Australia; and Centre for Clinical Research, The University of Queensland, Qld, Australia; and Department of Urology, Redcliffe Hospital, Qld, Australia
| | - John Yaxley
- Faculty of Medicine, The University of Queensland, Qld, Australia; and Department of Urology, Royal Brisbane and Women's Hospital, Qld, Australia; and Wesley Urology Clinic, Wesley Hospital, Qld, Australia
| | - Stephen Quinn
- Department of Health Science and Biostatistics, Swinburne University of Technology, Melbourne, Vic., Australia
| | - Natalie Richards
- Behavioural Science Unit, Peter MacCallum Cancer Centre, Melbourne, Vic., Australia
| | - Mark Frydenberg
- Department of Urology, Cabrini Institute, Cabrini Health, Vic., Australia; and Department of Surgery, Monash University, Melbourne, Vic., Australia
| | - Robert Gardiner
- Faculty of Medicine, The University of Queensland, Qld, Australia; and Department of Urology, Royal Brisbane and Women's Hospital, Qld, Australia; and Centre for Clinical Research, The University of Queensland, Qld, Australia
| | - Nathan Lawrentschuk
- EJ Whitten Foundation Prostate Cancer Research Centre, Epworth HealthCare, Melbourne, Vic., Australia; and Department of Surgery, University of Melbourne, Melbourne, Vic., Australia; and Department of Surgery, Royal Melbourne Hospital, Melbourne, Vic., Australia
| | - Ilona Juraskova
- Centre for Medical Psychology and Evidence-based Decision-making (CeMPED), School of Psychology, University of Sydney, Sydney, NSW, Australia
| | - Declan G Murphy
- Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Vic., Australia; and Division of Cancer Surgery, Peter MacCallum Cancer Centre, Melbourne, Vic., Australia
| | - Louisa G Gordon
- Health Economics, Population Health Department, QIMR Berghofer Medical Research Institute, 300 Herston Road, Herston, Brisbane, Qld 4006, Australia; and Faculty of Medicine, The University of Queensland, Qld, Australia; and School of Nursing and Cancer and Palliative Care Outcomes Centre, Queensland University of Technology, Qld, Australia
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Stone BV, Labban M, Filipas DK, Beatrici E, Lipsitz SR, Reis LO, Feldman AS, Kibel AS, Cole AP, Morgans AK, Trinh QD. The Risk of Catastrophic Healthcare Expenditures Among Prostate and Bladder Cancer Survivors in the United States. Clin Genitourin Cancer 2023; 21:617-625. [PMID: 37316413 DOI: 10.1016/j.clgc.2023.05.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/16/2023]
Abstract
INTRODUCTION Little is known about the rates of catastrophic health care expenditures among survivors of prostate and bladder cancer or the factors that place patients at highest risk for undue cost. MATERIALS AND METHODS The Medical Expenditure Panel Survey was utilized to identify prostate and bladder cancer survivors from 2011 to 2019. Rates of catastrophic health care expenditures (out-of-pocket health care spending >10% household income) were compared between cancer survivors and adults without cancer. A multivariable regression model was used to identify risk factors for catastrophic expenditures. RESULTS Among 2620 urologic cancer survivors, representative of 3,251,500 (95% CI 3,062,305-3,449,547) patients annually after application of survey weights, there were no significant differences in catastrophic expenditures among respondents with prostate cancer compared to adults without cancer. Respondents with bladder cancer had significantly greater rates of catastrophic expenditures (12.75%, 95% CI 9.36%-17.14% vs. 8.33%, 95% CI 7.66%-9.05%, P = .027). Significant predictors of catastrophic expenditures in bladder cancer survivors included older age, comorbidities, lower income, retirement, poor health status, and private insurance. Though White respondents with bladder cancer had no significantly increased risk of catastrophic expenditures, among Black respondents the risk of catastrophic expenditures increased from 5.14% (95% CI 3.95-6.33) without bladder cancer to 19.49% (95% CI 0.84-38.14) with bladder cancer (OR 6.41, 95% CI 1.28-32.01, P = .024). CONCLUSIONS Though limited by small sample size, these data suggest that bladder cancer survivorship is associated with catastrophic health care expenditures, particularly among Black cancer survivors. These findings should be taken as hypothesis-generating and warrant further investigation with larger sample sizes and, ideally, prospective investigation.
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Affiliation(s)
- Benjamin V Stone
- Division of Urological Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Muhieddine Labban
- Division of Urological Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Dejan K Filipas
- Division of Urological Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Edoardo Beatrici
- Division of Urological Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Stuart R Lipsitz
- Division of Urological Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Leonardo O Reis
- UroScience, School of Medical Sciences, University of Campinas, UNICAMP, and Pontifical Catholic University of Campinas, PUC-Campinas, Campinas, Sao Paulo, Brazil
| | - Adam S Feldman
- Department of Urology, Massachusetts General Hospital, Boston, MA
| | - Adam S Kibel
- Division of Urological Surgery, Brigham and Women's Hospital, Boston, MA
| | - Alexander P Cole
- Division of Urological Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Alicia K Morgans
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Quoc-Dien Trinh
- Division of Urological Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.
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Yabroff KR, Zhao J, Chen MH, Hoque J, Arias G, Han X, Zheng Z. Financial hardship and psychosocial well-being and quality of life among prostate cancer survivors in the United States. Urol Oncol 2023; 41:380-386. [PMID: 37202329 DOI: 10.1016/j.urolonc.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 03/02/2023] [Accepted: 03/10/2023] [Indexed: 05/20/2023]
Abstract
Prostate cancer is the most common cancer diagnosis among men in the United States and the prevalence of prostate cancer survivors is growing. Cancer treatment and lasting or late effects of disease and treatment can adversely affect financial health, psychosocial well-being, and health-related quality of life for prostate cancer survivors, even many years after cancer diagnosis and treatment. These outcomes are important, especially because most men live for many years following a prostate cancer diagnosis. In this essay, we describe health care spending associated with prostate cancer, including patient out-of-pocket costs, and summarize research examining medical financial hardship and associations of financial hardship and psychosocial well-being and health-related quality of life among cancer survivors. We then discuss implications for health care delivery and opportunities to mitigate financial hardship for patients with prostate cancer and their families.
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Affiliation(s)
- K Robin Yabroff
- Department of Surveillance and Health Equity Sciences, American Cancer Society, Atlanta, GA.
| | - Jingxuan Zhao
- Department of Surveillance and Health Equity Sciences, American Cancer Society, Atlanta, GA
| | - Min Hsuan Chen
- Department of Surveillance and Health Equity Sciences, American Cancer Society, Atlanta, GA; Department of Public Policy, American Cancer Society Cancer Action Network, Washington, DC
| | - Jennifer Hoque
- Department of Public Policy, American Cancer Society Cancer Action Network, Washington, DC
| | - Gladys Arias
- Department of Public Policy, American Cancer Society Cancer Action Network, Washington, DC
| | - Xuesong Han
- Department of Surveillance and Health Equity Sciences, American Cancer Society, Atlanta, GA
| | - Zhiyuan Zheng
- Department of Surveillance and Health Equity Sciences, American Cancer Society, Atlanta, GA
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Díaz JFR. Impact of outpatient radiotherapy on direct non-medical cost in patients in the Central Macro Region of Peru 2021. Ecancermedicalscience 2023; 17:1580. [PMID: 37533938 PMCID: PMC10393304 DOI: 10.3332/ecancer.2023.1580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Indexed: 08/04/2023] Open
Abstract
Background Financial toxicity arises in cancer patients due to the objective financial burden of the disease or treatment, being associated with worse clinical outcomes. Direct non-medical spending on cancer patients undergoing radiotherapy in Peru under its publicly funded health system has not been described. Objective To know the expenses related to the transfer of the radiotherapy outpatient. Methodology For patients who started radiation therapy in 2021, treatment demographics and expenses related to transporting the patient from home to the radiation therapy center were prospectively collected. Association and connection tests were used, such as the Mann-Whitney/Kruskal-Wallis U-test and Spearman's Rho. A value of p < 0.05 is considered statistically significant. Results 398 patients were collected, with average weekly expenses for transportation, lodging and food of $17.04, $6.69 and $45.91, respectively. Confirmation was positive between weekly spending and remoteness, likewise it was negative between effective teletherapy and remoteness, both analyses being statistically significant. Conclusion The expense associated with transfer for radiotherapy is high, exceeding the average monthly income of the patient, as a consequence they have a worse therapeutic result, and may cause financial toxicity in cancer patients.
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Affiliation(s)
- José Fernando Robles Díaz
- Regional Institute for Neoplastic Diseases, Central Region, Concepción, Junín 12731, Peru and Universidad Peruana Los Andes, Huancayo, Junín 12731, Perú
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Herrera CD, Guerra CE, Narayan V, Guzzo TJ, Mamtani R, Lee DJ, Tasian GE, Talwar R. Financial toxicity in prostate cancer survivors: A national cross-sectional assessment of subjective financial burden. Urol Oncol 2023; 41:105.e1-105.e8. [PMID: 36372635 DOI: 10.1016/j.urolonc.2022.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 09/06/2022] [Accepted: 10/13/2022] [Indexed: 11/11/2022]
Abstract
BACKGROUND In prostate cancer (CaP) survivorship, subjective financial burden (SFB), an aspect of financial toxicity, has not been studied using a national sample. Our goal was to explore and identify factors associated with patient-reported SFB in CaP survivors. MATERIALS AND METHODS We conducted a retrospective, cross-sectional study of 264 adult individuals with a history of CaP that completed the AHRQ - Medical Expenditures Panel Survey - Household Component and Cancer Self-Administered Questionnaire Supplement in 2016 or 2017. Primary outcomes were the presence of cancer-related SFB and the severity of this burden. Multivariable ordinal logistic regression and logistic regression models were used to identify factors associated with the severity of SFB and different domains of burden. RESULTS Most participants were non-Hispanic white, had 3 or more comorbidities and had a median age of 72 years. 62.1% of survivors indicated SFB associated with their CaP care and long-term effects. 49.2% of CaP survivors indicated coping SFB, 27.7% psychological, and 29.2% material. Older (OR: 0.95, 95%CI 0.92-0.98) was associated with less SFB. Low-income level (OR: 2.1, 95%CI 1.01-4.36) was associated with higher SFB. Hispanic survivors (OR: 2.8 95%CI 1.1-7.4) indicated more psychologic SFB. Presence of a caregiver was noted as a predictor of material (OR 2.6, 95%CI 1.45-4.49) and psychological (OR: 2.2, 95%CI 1.13-3.91) SFB. CONCLUSIONS Many CaP survivors experience SFB and associated factors differ in domain of financial burden. This provides evidence and groundwork for understanding financial burden and improving the quality of counseling and care for this population.
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Affiliation(s)
- Christopher D Herrera
- Division of Urology, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
| | - Carmen E Guerra
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA; Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA; Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA
| | - Vivek Narayan
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Thomas J Guzzo
- Division of Urology, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Ronac Mamtani
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Daniel J Lee
- Division of Urology, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | | | - Ruchika Talwar
- Division of Urology, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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Joyce DD, Wallis CJD, Huang LC, Hoffman KE, Zhao Z, Koyama T, Goodman M, Hamilton AS, Wu XC, Paddock LE, Stroup A, Cooperberg MR, Hashibe M, O’Neil BB, Kaplan SH, Greenfield S, Penson DF, Barocas DA. The Association Between Financial Toxicity and Treatment Regret in Men With Localized Prostate Cancer. JNCI Cancer Spectr 2022; 6:6762868. [PMID: 36255249 PMCID: PMC9731205 DOI: 10.1093/jncics/pkac071] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/13/2022] [Accepted: 10/03/2022] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Financial toxicity is emerging as an important patient-centered outcome and is understudied in prostate cancer patients. We sought to understand the association between financial burden and treatment regret in men with localized prostate cancer to better evaluate the role of financial discussions in patient counseling. METHODS Utilizing the Comparative Effectiveness Analysis of Surgery and Radiation dataset, we identified all men accrued between 2011 and 2012 who underwent surgery, radiation, or active surveillance for localized prostate cancer. Financial burden and treatment regret were assessed at 3- and 5-year follow-up. The association between financial burden and regret was assessed using multivariable longitudinal logistic regression controlling for demographic and disease characteristics, treatment, functional outcomes, and patient expectations. RESULTS Of the 2924 eligible patients, regret and financial burden assessments for 3- and/or 5-year follow-up were available for 81% (n = 2359). After adjustment for relevant covariates, financial burden from "finances in general" was associated with treatment regret at 3 years (odds ratio [OR] = 2.47, 95% confidence interval [CI] = 1.33 to 4.57; P = .004); however, this association was no longer statistically significant at 5-year follow-up (OR = 1.19, 95% CI = 0.56 to 2.54; P = .7). CONCLUSIONS In this population-based sample of men with localized prostate cancer, we observed associations between financial burden and treatment regret. Our findings suggest indirect treatment costs, especially during the first 3 years after diagnosis, may impact patients more profoundly than direct costs and are important for inclusion in shared decision making.
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Affiliation(s)
- Daniel D Joyce
- Correspondence to: Daniel D. Joyce, MD, Department of Urology, Mayo Clinic, 200 1st Street SW, Rochester, MN 55902, USA (e-mail: )
| | | | - Li-Ching Huang
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Karen E Hoffman
- Department of Radiation Oncology, The University of Texas, MD Anderson Cancer Center, Houston, TX, USA
| | - Zhiguo Zhao
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Tatsuki Koyama
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Michael Goodman
- Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, GA, USA
| | - Ann S Hamilton
- Department of Population and Public Health Sciences, Keck School of Medicine at the University of Southern California, Los Angeles, CA, USA
| | - Xiao-Cheng Wu
- Department of Epidemiology, Louisiana State University New Orleans School of Public Health, New Orleans, LA, USA
| | - Lisa E Paddock
- Department of Epidemiology, Cancer Institute of New Jersey, Rutgers Health, New Brunswick, NJ, USA
| | - Antoinette Stroup
- Department of Epidemiology, Cancer Institute of New Jersey, Rutgers Health, New Brunswick, NJ, USA
| | | | - Mia Hashibe
- Department of Family and Preventative Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Brock B O’Neil
- Department of Urology, University of Utah Health, Salt Lake City, UT, USA
| | - Sherrie H Kaplan
- Department of Medicine, University of California Irvine, Irvine, CA, USA
| | - Sheldon Greenfield
- Department of Medicine, University of California Irvine, Irvine, CA, USA
| | - David F Penson
- Department of Urology, Vanderbilt University Medical Center, Nashville, TN, USA,Geriatric Research Education and Clinical Center, Veterans Affairs Tennessee Valley Healthcare System, Nashville, TN, USA
| | - Daniel A Barocas
- Department of Urology, Vanderbilt University Medical Center, Nashville, TN, USA
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