Relationship between the EQ-5D index and patient characteristics/clinical outcome measures across diagnosis groups. Key: CECaT - Cost-effectiveness of functional cardiac testing in the diagnosis and management of coronary heart disease study, BASE - baseline measurements, MM - medical management, ACRE - Appropriateness for coronary revascularization study, PCI - percutaneous angioplasty/stenting, CABG - coronary artery bypass graft, ICD - Implantable Cardioverter Defibrillator, PMR - Percutaneous myocardial revascularization compared to continued medical therapy study, TMR - Transmyocardial laser revascularization compared to continued medical therapy study, SPiRiT - Spinal cord stimulation (SCS) compared to PMR study, Tx WL - transplant waiting list, VAD - ventricular assist device, Tx - post heart transplantation, Angina = data from PMR, TMR and SPiRiT studies, TRTMT = data from all treatments in Angina studies, Heart failure = TxWL and VAD patients, CCS - Canadian Cardiovascular Society angina classification, SF-6D - short form 6D.