Two-dimensional and M-mode echocardiographic left atrial and left ventricular dimensions on ARVC patients, athletes and untrained control subjects
| ARVC (n=40) | Athletes (n=40) | Controls (n=40) | ARVC vs athletes | ARVC vs controls | Athletes vs controls | |
|---|---|---|---|---|---|---|
| LA medial–lateral (mm) | 39.4 (6.7) | 42.4 (4.3) | 37 (4.4) | 0.005 | 0.06 | 0.00001 |
| LA superior–inferior (mm) | 45.9 (8.4) | 50.3 (4.7) | 44.5 (5.5) | 0.019 | 0.380 | 0.00001 |
| Ao (mm) | 31.9 (3.5) | 31.5 (3.9) | 30.5 (3.5) | 0.630 | 0.07 | 0.231 |
| LVEDD (mm) | 51.4 (4.3) | 53.5 (4) | 49.8 (5.3) | 0.02 | 0.14 | 0.0007 |
| LVSF (%) | 38.8 (6.3) | 40.3 (7.8) | 39.3 (6.5) | 0.347 | 0.727 | 0.30 |
| IVS (mm) | 9.4 (1.1) | 10 (1.2) | 9 (1.1) | 0.022 | 0.10 | 0.0002 |
| LVPW (mm) | 9.1 (1.1) | 9.6 (1.1) | 8.9 (1.4) | 0.04 | 0.47 | 0.018 |
| LVEDV (ml) | 61 (8.8) | 68.1 (10.3) | 58.5 11) | 0.001 | 0.265 | 0.0001 |
| LVEF (%) | 61 (6.5) | 60.7 (3.6) | 63.8 (5.8) | 0.799 | 0.045 | 0.005 |
| RV kinetic abnormalities | 40 | 0 | 0 | 0.435 | 0.435 | 1 |
IVS, interventricular septum; LA, left atrium, Ao aortic root; LVEDD, left ventricular end-diastolic diameter; LVEDV, left ventricular end-diastolic volume; LVEF, left ventricular ejection fraction; LVPW, left ventricular posterior wall; LVSF, left ventricular fraction shortening.