Impact of a commercial accountable care organization on prescription drugs.

ABSTRACT:

Objective

To determine the long-run impact of a commercial accountable care organization (ACO) on prescription drug spending, utilization, and related quality of care.

Data sources/study setting

California Public Employees' Retirement System (CalPERS) health maintenance organization (HMO) member enrollment data and pharmacy benefit claims, including both retail and mail-order generic and brand-name prescription drugs.

Study design

We applied a longitudinal retrospective cohort study design and propensity-weighted difference-in-differences regression models. We examined the relative changes in outcome measures between two ACO cohorts and one non-ACO cohort before and after the ACO implementation in 2010. The ACO directed provider prescribing patterns toward generic sub

SUBMITTER: Zhang H 

PROVIDER: S-EPMC8313955 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature