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
Comparative Study; Journal Article; congenital heart disease; coping; functional status; psychosocial coping; quality of life