Characteristics of participants
| Characteristic | Number of studies providing data | Weighted mean (SD) or n (%) | Minimum | Maximum |
| Age, years | 15 | 67 (SD 4.9) | 59 | 77 |
| Women | 18 | 709 (48%) | 18% | 59% |
| Prevalence of AF | 26 | 2422 (31%) | 0.5% | 100% |
| Hypertension | 7 | 527 (83%) | 59% | 90% |
| Diabetes | 8 | 239 (33%) | 20% | 37% |
| Stroke | 8 | 125 (14%) | 11% | 23% |
| Heart failure | 8 | 170 (16%) | 4% | 38% |
AF, atrial fibrillation.