Association of daily copayments with use of hospital care among medicare advantage enrollees.
John P McHughLaura KeohaneRegina GreblaYoojin LeeAmal N TrivediPublished in: BMC health services research (2019)
Instituting per-diem copayments was associated with reductions in number of admissions and hospital stays, but not length of stay once admitted. Effects of inpatient cost-sharing changes were magnified for persons with greater baseline use of hospital care.