Table 2.
Electrocardiographic and echocardiographic of the study population compared using suitable post-hoc (multiple comparison) tests
| Parameters | Control group (n=88) | HCM group (n=66) | P1 value | P2 value | P3 value | |
|---|---|---|---|---|---|---|
| VEA absent (n=40) | VEA present (n=26) | |||||
| Tp-e interval | 67.1±13.9 | 74.6±9.3 | 82.6±9.8 | 0.001 | <0.001 | 0.005 |
| QT interval | 361±32 | 379±29 | 386±39 | 0.009 | 0.004 | 0.799 |
| QTc interval | 404±40 | 416±33 | 414±34 | 0.131 | 0.600 | 0.813 |
| Tp-e/QTc ratio | 0.167±0.03 | 0.181±0.03 | 0.202±0.03 | 0.128 | <0.001 | 0.024 |
| Heart rate | 75±11 | 73±10 | 70±9 | 0.657 | 0.091 | 0.449 |
| Max LVWT | 11.1±1.4 | 20.2±4.8 | 22.9±3.5 | <0.001 | <0.001 | 0.031 |
| LVEF | 64.5±3.5 | 68.3±3.0 | 68.4±4.7 | <0.001 | <0.001 | 0.992 |
HC - hypertrophic cardiomyopathy; LVEF - left ventricular ejection fraction; Max LVWT - maximal left ventricular wall thickness; RAS - renin-angiotensin system; QTc - corrected QT; Tp-e - T wave peak to end interval; VEA - ventricular arrhythmic event; P1: Comparison between control group and VEA absent; P2: Comparison between control group and VEA present; P3: Comparison between VEA absent and VEA present