The early impact of medicaid expansion on urologic malignancies in the United States

Xiaosong Meng, Louis Vazquez, Jeffrey M. Howard, Alexander P. Kenigsberg, Nirmish Singla, Vitaly Margulis, Aditya Bagrodia, Yair Lotan, Yin Xi, Solomon L. Woldu

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: To assess the effects of variable adoption of Medicaid Expansion (ME) of the Affordable Care Act among different states on urologic malignancies using a new variable that defines ME status of patient's residence in a nationwide cancer registry. Basic procedures: The National Cancer Database was queried for urologic malignancies (bladder, prostate, kidney and testis) from 2011 to 2016, spanning the period surrounding the primary ME which took place in 2014. Trends in insurance status at time of diagnosis and effects on stage at presentation and survival after ME were evaluated using a difference-in-differences estimator and stratified Cox proportional hazards regression model. Main findings: The percentage of patients with Medicaid coverage at the time of diagnosis increased significantly after adoption of ME in ME states across all urologic malignancies. Concurrently, there was a significant decrease in percentage of uninsured patients diagnosed with testis cancer, but not other urologic malignancies, in ME states. A change in the stage at presentation was not observed across all urologic malignancies for patients in ME states after adoption of ME. No difference in overall survival was noted among patients living in a ME state compared to non-ME states with adoption of ME in 2014. Principal conclusions: Despite increases in the proportion of patients with Medicaid coverage after 2014 in states that enrolled in ME, there was not an associated change in stage at presentation or survival for patients with genitourinary malignancy.

Original languageEnglish (US)
JournalUrologic Oncology: Seminars and Original Investigations
DOIs
StateAccepted/In press - 2021

Keywords

  • Bladder cancer
  • Kidney cancer
  • Medicaid expansion
  • Prostate cancer
  • Stage of presentation
  • Testicular cancer

ASJC Scopus subject areas

  • Oncology
  • Urology

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