The Impact of a National Health Information Exchange Program Under a Single-payer System.

Objective: This study aimed to evaluate the impact of the PharmaCloud program, a health information exchange program implemented in 2013, on medication duplication under a single-payer, universal health insurance program in Taiwan.

Study Design: This study employed a retrospective pre-post study design and used nationwide health insurance claim data from 2013 to 2015. A difference-in-difference analysis was conducted to evaluate the effects of inquiry rate on the probability of receiving duplicate medications and on the number of days of overlapping medication prescriptions after implementation of the PharmaCloud program.

The impact of a medication record sharing program among diabetes patients under a single-payer system: The role of inquiry rate.

Objective: Taiwan's single health insurer introduced a medication record exchange platform, the PharmaCloud program, in 2013. This study aimed to evaluate the effects of the medication record inquiry rate on medication duplication among patients with diabetes.

Materials And Methods: A retrospective pre-post design with a comparison group was conducted using nationwide health insurance claim data of diabetic patients from 2013 to 2014.