Table 3.
Comparison of demographics and arrhythmias between different LVEF groups.
| Variable | LVEF Grp 1 n=331 |
LVEF Grp 2 n=38 |
LVEF Grp 3 n=32 |
LVEF Grp 4 n=34 |
P value |
|---|---|---|---|---|---|
| Demographics | |||||
| Males | 292 (88%) | 37 (97%) | 28 (88%) | 34 (100%) | 0.61 |
| Hypertension | 246 (74%) | 31 (82%) | 26 (81%) | 28 (82%) | 0.49 |
| Diabetes | 113 (34%) | 14 (37%) | 16 (50%) | 16 (47%) | 0.17 |
| CAD | 90 (27%) | 16 (42%) | 19 (59%) | 18 (53%) | <0.001 |
| Ambulatory ECG | |||||
| Heart rate (bpm) | 75±11 | 72±10 | 75±10 | 75±12 | 0.64 |
| PAC burden (%) | 1.8±2.8 | 1.6±1.6 | 2.2±3.5 | 2.1±2.2 | 0.72 |
| AF burden (%) | 1.5±10 | 1.9±6.5 | <0.1 | 2.6±14.2 | 0.73 |
| SVT episodes (No.) | 240±1294 | 326±1737 | 11±17 | 183±1839 | 0.56 |
| PVC burden (%) | 1.5±3.8 | 2.0±3.8 | 3.3±6.3 | 6.3±10.2 | <0.001 |
| Total PVC (No.) | 20970±53968 | 25438±56339 | 44786±89163 | 188977±663996 | <0.001 |
| VT episodes (No.) | 0.7±8 | 0.4±0.9 | 19±75 | 13.6±64 | 0.01 |
LVEF group 1 (range: 50%−81.4%, n=331), LVEF group 2 (range: 42.5-49.6%, n=38), LVEF group 3 (range: 30-40%, n=32), LVEF group 4 (range: 12.5-27.5%, n=34). Data is presented as mean and SD. P value using one-way ANOVA. Significant Bonferroni correction (<0.05) for LVEF
(*)
group 1
(†)
group 2
(~)
group 3
(‡)
and group 4.
Grp-Group, LVEF-Left ventricular ejection fraction, LVESD-Left ventricular end systolic diameter, PAC-premature atrial contraction, PVC-Premature ventricular contraction, SVT-Supraventricular tachycardia, VT-Ventricular tachycardia.