TABLE 1.
Prevalence of AF in different types of cardiomyopathies
| Variable | Type of cardiomyopathy | P‐value | ||||
|---|---|---|---|---|---|---|
| All (N = 3208) | DCM (N = 1260) | HCM (N = 1739) | RCM (N = 66) | ARVC (N = 143) | ||
| AF at baseline | 903/3208 (28.15%) | 370/1260 (29.37%) | 478/1739 (27.49%) | 34/66 (51.52%) | 21/143 (14.69%) | <0.001 |
| Baseline—type of AF | ||||||
| Paroxysmal | 394/836 (47.13%) | 129/338 (38.17%) | 245/448 (54.69%) | 5/32 (15.63%) | 15/18 (83.33%) | <0.001 |
| Persistent | 149/836 (17.82%) | 64/338 (18.93%) | 79/448 (17.63%) | 4/32 (12.50%) | 2/18 (11.11%) | |
| Permanent | 293/836 (35.05%) | 145/338 (42.90%) | 124/448 (27.68%) | 23/32 (71.88%) | 1/18 (5.56%) | |
| AF at 1 year follow‐up | 998/3208 (31.11%) | 411/1260 (32.62%) | 526/1739 (30.25%) | 37/66 (56.06%) | 24/143 (16.78%) | <0.001 |
AF, atrial fibrillation; ARVC, arrhythmogenic right ventricular cardiomyopathy; DCM, dilated cardiomyopathy; HCM, hypertrophic cardiomyopathy; RCM, restrictive cardiomyopathy.