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Clinical characteristics of the study population
| Mean age (years) | 58 ± 11 (range 24–82) |
| Male sex | 83% |
| Left atrium diameter (mm) | 40.5 ± 5 (range 33–55) |
| Left ventricle ejection fraction (%) | 58 ± 8 (range 40–65) |
| Body mass index >30 | 5% |
| Previous stroke/TIA | 4% |
| Heart disease | 51% |
| Hypertensive | 45% |
| Ischaemic | 7% |
| Valvular | 4% |
| Dilated cardiomyopathy | 4% |
| Diabetes | 6% |
