Characteristics of AF registries that obtained quality-of-life measures
| Registry | KiCS-AF | ORBIT-AF29 | RECORD- AF28 | Euro Heart Survey on AF30 |
| Study period | 2012–2018 | 2009–2011 | 2007–2008 | 2003–2004 |
| Population | Inpatient and outpatient | Outpatient | Inpatient and outpatient | Inpatient and outpatient |
| Enrolment | 3333 | 10 000 | 5333 | 5604 |
| Patients that completed QOL questionnaires | 3333 | 2007 | 2439 | 967 |
| Quality-of-life measures | AFEQT (cross-validated translation) | AFEQT and ACTS | Atrial Fibrillation Severity Scale | EuroQoL-5 domains |
| Countries | Japan | USA | 21 throughout the world | 35 in Europe |
| No. of sites | 11 | 200 | 532 | 182 |
| Patients’ characteristics, % | ||||
| Age (mean, years) | 68 | 76 | 67.6 | 63.3 |
| Female | 30.2 | 43.2 | 41.5 | 43.1 |
| Heart failure | 15.6 | 27.3 | 16.4 | 17.7 |
| Hypertension | 55.6 | 82.6 | NA | 61.3 |
| Diabetes | 16.3 | 27.6 | NA | 13.1 |
| Prior stroke/TIA | 8.6 | 8.9 | NA | 2.4 |
| Prior coronary artery disease | 8 | 31.4 | NA | 25 |
| Paroxysmal AF | 49.2 | 47.6 | 51.5 | 84.7 |
| Mean CHA2DS2-VAsc score | 2.3 | NA | NA | 2.5 |
ACTS, anticoagulation-related quality-of-life assessment transient ischaemic attack; AF, atrial fibrillation; AFEQT, Atrial Fibrillation Effect on Quality-of-Life;KiCS-AF, the Keio interhospital Cardiovascular Studies-atrial fibrillation; ORBIT-AF, Outcomes Registry for Better Informed Treatment of Atrial Fibrillation;QOL, quality-of-life; RECORD-AF, Registry on Cardiac Rhythm Disorders Assessing the Control of Atrial Fibrillation; TIA, transient ischaemic attack.