Table 2. Imaging variables of epicardial adipose tissue within the four groups.
| Variables | SVC-AF
( N=26) |
LVA-AF
( N=24) |
non-LVA-AF
( N=25) |
PE
( N=25) |
P-value |
| Values are presented as mean±standard deviation. LA: left atrium; SVC: superior vena cava; EAT: epicardial adipose tissue; AF: atrial fibrillation; LVA: low voltage area; PE: routine physiological examination group; standardized LA-EAT: LA-EAT divided by body surface area (BSA); standardized SVC-EAT: SVC-EAT divided by BSA. SVC-0, -1, -2, and -3 area: the cross-sectional areas of the base of SVC, 1 cm, 2 cm, and 3 cm above the base of SVC. | |||||
| LA-EAT volume (mL) | 12.39±5.41 | 19.07±7.35 | 12.13±4.93 | 8.27±3.90 | <0.001 |
| Standardized LA-EAT (mL/m 2) | 6.91±2.69 | 10.53±3.87 | 6.91±2.65 | 4.96±2.18 | <0.001 |
| SVC-EAT volume (mL) | 1.26±0.71 | 1.02±0.67 | 0.62±0.34 | 0.41±0.22 | <0.001 |
| Standardized SVC-EAT (mL/m 2) | 0.63±0.37 | 0.56±0.34 | 0.35±0.18 | 0.25±0.12 | <0.001 |
| SVC/LA-EAT (%) | 9.19±0.41 | 5.42±2.58 | 5.17±2.20 | 5.42±1.79 | <0.001 |
| SVC-0 area (cm) | 3.29±1.24 | 4.06±1.62 | 3.17±1.37 | 2.34±0.91 | 0.001 |
| SVC-1 area (cm) | 2.73±1.01 | 3.24±1.30 | 2.70±1.02 | 1.90±0.63 | <0.001 |
| SVC-2 area (cm) | 2.82±0.98 | 3.07±1.11 | 2.83±0.90 | 2.10±0.61 | 0.003 |
| SVC-3 area (cm) | 2.98±1.03 | 3.22±1.16 | 3.19±0.84 | 2.34±0.61 | 0.003 |