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Abstract Background Veterans dually enrolled in the Veterans Health Administration (VA) and Medicare commonly experience downstream services as part of a care cascade after an initial low‐value service. Our objective was to characterize the frequency and cost of low‐value cervical cancer screening and subsequent care cascades among Veterans dually enrolled in VA and Medicare. Methods This retrospective cohort study used VA and Medicare administrative data from fiscal years 2015 to 2019. The study cohort was comprised of female Veterans aged >65 years and at low risk of cervical cancer who were dually enrolled in VA and Medicare. Within this cohort, we compared differences in the rates and costs of cascade services related to low‐value cervical cancer screening for Veterans who received and did not receive screening in FY2018, adjusting for baseline patient‐ and facility‐level covariates using inverse probability of treatment weighting. Results Among 20, 972 cohort‐eligible Veterans, 494 (2. 4%) underwent low‐value cervical cancer screening with 301 (60. 9%) initial screens occurring in VA and 193 (39%) occurring in Medicare. Veterans who were screened experienced an additional 26. 7 (95% CI, 16. 4–37. 0) cascade services per 100 Veterans compared to those who were not screened, contributing to 2919. 4 (95% CI, −265 to 6104. 7) per 100 Veterans in excess costs. Care cascades consisted predominantly of subsequent cervical cancer screening procedures and related outpatient visits with low rates of invasive procedures and occurred in both VA and Medicare. Conclusions Veterans dually enrolled in VA and Medicare commonly receive related downstream tests and visits as part of care cascades following low‐value cervical cancer screening. Our findings demonstrate that to fully capture the extent to which individuals are subject to low‐value care, it is important to examine downstream care stemming from initial low‐value services across all systems from which individuals receive care.
Pickering et al. (Thu,) studied this question.