Table 1.
Baseline characteristics overall and stratified by AF recurrence
| Overall | AF recurrence | ||
|---|---|---|---|
| No recurrent AF | Recurrent AF | ||
| Number of patients | 1112 | 738 (66.4) | 374 (33.6) |
| Age (years) | 61.3 ± 9.8 | 60.8 ± 9.7 | 62.3 ± 9.7 |
| Male sex | 818 (73.6) | 551 (74.7) | 267 (71.4) |
| Body mass index (kg/m2) | 27.3 ± 4.8 | 27.4 ± 4.8 | 27.1 ± 4.8 |
| AF type | |||
| Paroxysmal | 666 (59.9) | 456 (61.8) | 210 (56.1) |
| Persistent | 446 (40.1) | 282 (38.2) | 164 (43.9) |
| Echocardiography | |||
| LVEF (%) | 60 (53; 64) | 60 (53; 65) | 60 (52; 63) |
| LA dimension (PLAX) (mm) | 41.1 ± 6.8 | 40.8 ± 6.7 | 41.8 ± 6.9 |
| LAVI (mL/m2) | 38.1 ± 12.4 | 36.9 ± 11.8 | 40.7 ± 13.3 |
| CHA2DS2-VASc score | 1.8 ± 1.4 | 1.7 ± 1.4 | 1.9 ± 1.4 |
| EHRA score | 2.4 ± 0.7 | 2.4 ± 0.7 | 2.4 ± 0.7 |
| History of CAD | 61 (5.5) | 43 (5.8) | 18 (4.8) |
| History of hypertension | 625 (56.5) | 411 (56.0) | 214 (57.5) |
| History of heart failure | 79 (7.1) | 49 (6.7) | 30 (8.1) |
| History of diabetes | 89 (8.0) | 66 (9.0) | 23 (6.2) |
| History of stroke | 73 (6.6) | 47 (6.4) | 26 (7.0) |
| History of renal failure | 69 (6.2) | 48 (6.5) | 21 (5.7) |
Values are given as mean ± standard deviation, median (interquartile range), or numbers (percentage). Missing values: body mass index (n = 3), LVEF (n = 42), LA (n = 114), LAVI (n = 442), EHRA score (n = 415), history of hypertension (n = 6), history of heart failure (n = 6), history of diabetes (n = 6), history of stroke (n = 6), and history of renal failure (n = 8).
AF, atrial fibrillation; CAD, coronary artery disease; CHA2DS2-VASc score: congestive heart failure, hypertension, age ≥75 years (2 points), diabetes mellitus, prior stroke/transient ischaemic attack/thromboembolism (2 points), vascular disease, age 65–74 years, female sex; EHRA score (European Heart Rhythm Association score): 1 = no symptoms, 2 = mild symptoms, 3 = severe symptoms, 4 = disabling symptoms; LA dimension (PLAX), left atrial dimension in the parasternal long-axis; LAVI, indexed left atrial volume; LVEF, left ventricular ejection fraction.