Table 1 Baseline characteristics of the study groups
Parameter | N = 59 | I group (n = 20) | II group (n = 39) | Р |
|---|---|---|---|---|
Age, (years) | 52.9 ± 9.0 | 52.0±7.6 | 53.4±9.7 | 0.624 |
Men, (n) | 88% (52/59) | 85% (17/20) | 90% (35/39) | 0.594 |
CAD, (%) | 54 | 47 | 60 | 0.308 |
NYHA functional class | 2.8±0.6 | 2.6±0.6 | 2.8±0.6 | 0.110 |
LBBB, (%) | 59 | 50 | 64 | 0.297 |
QRS, (ms) | 140.9 ± 38.9 | 139.1±44.2 | 141.8±36.7 | 0.997 |
Atrial fibrillation, (%) | 34 | 25 | 38 | 0.301 |
LVEDV, (ml) | 231.9±65.1 | 233.4±65.0 | 231.2±65.9 | 0.288 |
LVESV, (ml) | 163.5±49.4 | 163.4±46.5 | 163.5±51.3 | 0.475 |
LVEF, (%) | 29.8±3.6 | 30.0±2.7 | 29.6±3.9 | 0.458 |