Catalog of 199 register-based definitions of chronic conditions.

ABSTRACT:

Introduction

The aim of the current study was to present and discuss a broad range of register-based definitions of chronic conditions for use in register research, as well as the challenges and pitfalls when defining chronic conditions by the use of registers.

Materials and methods

The definitions were defined based on information from nationwide Danish public healthcare registers. Medical and epidemiological specialists identified and grouped relevant diagnosis codes that covered chronic conditions, using the International Classification System version 10 (ICD-10). Where relevant, prescription and other healthcare data were also used to define the chronic conditions.

Results

We identified 199 chronic conditions and subgroups, which were divided into four groups acco

SUBMITTER: Hvidberg MF 

PROVIDER: S-EPMC4888197 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature