Table 2. Echocardiographic parameters of nonvalvular atrial fibrillation patients with 4 different CHA2DS2-VASc score categories.
| All (n = 4,494) | CHA2DS2-VASc Score 0–1 (n = 1,205) | CHA2DS2-VASc Score 2–3 (n = 1,831) | CHA2DS2-VASc Score 4–6 (n = 1,351) | CHA2DS2-VASc Score 7–9 (n = 135) | p-value | |
|---|---|---|---|---|---|---|
| LVEF (%) | 43 ± 28 | 46 ± 27 | 44 ± 29 | 41 ± 29 | 39 ± 31 | < 0.001* |
| LVEDD (mm) | 50 ± 7 | 51 ± 6 | 50 ± 7 | 49 ± 7 | 49 ± 6 | < 0.001* |
| LVESD (mm) | 35 ± 10 | 36 ± 8 | 35 ± 12 | 34 ± 8 | 34 ± 6 | 0.001* |
| LVEDV (mL) | 68 ± 44 | 79 ± 48 | 66 ± 42 | 62 ± 44 | 55 ± 35 | < 0.001* |
| LVESV(mL) | 38 ± 33 | 44 ± 36 | 37 ± 31 | 34 ± 32 | 30 ± 25 | < 0.001* |
| BSA (m2) | 1.7 ± 0.2 | 1.8 ± 0.2 | 1.7 ± 0.2 | 1.6 ± 0.2 | 1.6 ± 0.2 | 0.025* |
| LVEDD/BSA (cm/m2) | 3.03 ± 0.62 | 3.14 ± 0.57 | 3.02 ± 0.69 | 3.00 ± 0.55 | 2.93 ± 0.52 | < 0.001* |
| LVESD/BSA (cm/m2) | 2.13 ± 0.70 | 2.21 ± 0.57 | 2.12 ± 0.87 | 2.09 ± 0.55 | 2.02 ± 0.44 | < 0.001* |
| LVEDV/BSA (mL/m2) | 45.3 ± 23.5 | 53.0 ± 24.2 | 44.0 ± 22.5 | 41.3 ± 23.2 | 37.7 ± 18.9 | < 0.001* |
| LVESV/BSA (mL/m2) | 22.6 ± 18.8 | 27.0 ± 19.9 | 21.6 ± 18.0 | 20.7 ± 18.7 | 18.8 ± 14.5 | < 0.001* |
| LA diameter (mm) | 45 ± 16 | 43 ± 16 | 46 ± 16 | 45 ± 17 | 46 ± 16 | 0.009* |
| LVMI (g/m2) | 99 ± 51 | 96 ± 31 | 100 ± 60 | 101 ± 54 | 101 ± 32 | 0.085 |
| RWT | 0.37 ± 0.12 | 0.36 ± 0.08 | 0.37 ± 0.13 | 0.37 ± 0.14 | 0.38 ± 0.07 | 0.008* |
| LAVI (mL/m2) | 54 ± 52 | 50 ± 61 | 53 ± 43 | 58 ± 49 | 63 ± 83 | < 0.001* |
| E/E′ | 13.7 ± 7.0 | 11.5 ± 6.1 | 13.5 ± 6.5 | 15.4 ± 7.6 | 17.2 ± 8.5 | < 0.001* |
| TEI | 0.02 ± 0.16 | 0.03 ± 0.22 | 0.01 ± 0.14 | 0.02 ± 0.14 | 0.00 ± 0.01 | 0.497 |
| High LVMI | 1,637 (34) | 274 (22) | 656 (34) | 629 (43) | 78 (53) | < 0.001* |
| High RWT | 919 (19) | 217 (18) | 350 (18) | 312 (21) | 40 (27) | 0.002 |
Values are presented as means ± standard deviation or number (%).
BSA: body surface area, E/E′: the ratio of early diastolic mitral inflow velocity to early diastolic velocity of the mitral annulus, LA: left atrial, LAVI: left atrial volume index, LVEDD: left ventricular end diastolic dimension, LVEDV: left ventricular end diastolic volume, LVEF: left ventricular ejection fraction, LVESD: left ventricular end systolic dimension, LVESV: left ventricular end systolic volume, LVMI: left ventricular mass index, RWT: relative wall thickness, TEI: TEI index.
*p < 0.05.