TABLE 1.
Characteristics of athletes versus nonathletes at baseline, and ablation variables a
| Characteristic | Athletes (n = 39) | Nonathletes (n = 117) | p value |
|---|---|---|---|
| Baseline | |||
| Age, year | 62.5 (8.1) | 62.4 (8.0) | .99 |
| Women | 2 (5) | 6 (5.1) | >.99 |
| BMI | .001 | ||
| Normal weight | 11 (28) | 8 (6.8) | |
| Overweight | 18 (46) | 42 (35.9) | |
| Obese | 10 (26) | 67 (57.3) | |
| Persistent AF | 8 (21) | 19 (16.2) | .54 |
| Hypertension | 20 (51) | 37 (31.6) | .03 |
| Obstructive sleep apnea | 14 (36) | 50 (42.7) | .45 |
| Left ventricular hypertrophy | 3 (8) | 3 (2.6) | .15 |
| Coronary artery disease | 10 (26) | 27 (23.1) | .74 |
| Valvular disease | 8 (21) | 12 (10.3) | .10 |
| AF duration, months | 35 (11–96) | 24 (8–60) | .10 |
| Cardiac measurements | |||
| LA, ml/m2 b | 40.2 (9.4) | 37.6 (11.2) | .21 |
| LVEDD, mm | 51.1 (5.4) | 51.3 (5.3) | .84 |
| LVESD, mm | 34.4 (5.5) | 33.7 (6.2) | .56 |
| EF, % | 58.5 (9.0) | 59.4 (9.0) | .56 |
| Ablation | |||
| Type of ablation | .76 | ||
| Cryoablation | 7 (18) | 23 (19.7) | |
| RFA | 27 (69) | 86 (73.5) | |
| Both | 4 (10) | 8 (6.8) | |
| Unknown | 1 (3) | 0 (0) | |
| Atrial flutter | 26 (67) | 51 (43.6) | .01 |
| Total ablations | 1.74 (0.99) | 1.39 (0.71) | .01 |
Note: Abbreviations: AF, atrial fibrillation; BMI, body mass index; EF, ejection fraction; LA, left atrium; LVEDD, left ventricular end‐diastolic diameter; LVESD, left ventricular end‐systolic diameter; RFA, radiofrequency ablation.
a
Values are mean (SD), no. of patients (%), or median (interquartile range).
b
Biplane volume index by method of discs.