External Validation of and Factors Associated with the Overuse Index: a Nationwide Population-Based Study from Taiwan.

ABSTRACT:

Background

The Overuse Index (OI), previously called the Johns Hopkins Overuse Index, is developed and validated as a composite measure of systematic overuse/low-value care using United States claims data. However, no information is available concerning whether the external validation of the OI is sustained, especially for international application. Moreover, little is known about which supply and demand factors are associated with the OI.

Objective

We used nationwide population-based data from Taiwan to externally validate the OI and to examine the association of regional healthcare resources and socioeconomic factors with the OI.

Design and participants

We analyzed 1,994,636 beneficiaries randomly selected from all people enrolled in the Taiwan National Health Insur

SUBMITTER: Tung YC 

PROVIDER: S-EPMC7878623 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature