1 Hjertemedicinsk Klinik, Hjertecentret Rigshospitalet, Rigshospitalet, The Capital Region of Denmark2 The University Hospitals Centre for Health Research, The Capital Region of Denmark3 unknown
The Ability Index was developed to classify patients with congenital heart disease into four functional classes. Functional class is typically determined by the cardiologist, based on data from a clinical interview. The validity of the Ability Index as assessed by the patient has never been scrutinized.
Congenital Heart Disease, 2012, Vol 7, Issue 6, p. 559-64