Impact of a statewide Emergency Department Information Exchange on health care use and expenditures.

ABSTRACT:

Objective

To assess the effects of a program mandating the statewide adoption of an Emergency Department Information Exchange (EDIE) on health care utilization and spending among Medicaid enrollees in Washington state.

Data source

Medicaid claims and managed care encounters from the Washington Health Care Authority.

Study design

A difference-in-differences analysis with trends was used to compare changes in ED visits, inpatient admissions, primary care visits, and expenditures among frequent ED users (≥5 ED visits in past year) to those of infrequent users through the second year Washington's program.

Data extraction

The study population included adult Medicaid enrollees with ED visits between January 2010 and October 2014.

Principal findings

There were

SUBMITTER: Sabbatini AK 

PROVIDER: S-EPMC9108061 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature