Table 2.
Echocardiographic and electrocardiographic parameters of patients
| Dipper (n:35) | Non dipper (n:35) | p value | |
|---|---|---|---|
| LVEDD (mm) | 46.1±0.3 | 46±0.7 | NS |
| LVESD (mm) | 30±0.3 | 31.3±0.8 | NS |
| EF (%) | 62±3.7 | 60.7±6.7 | NS |
| MPI | 0.55±0.8 | 0.59±0.4 | NS |
| E (cm/s) | 0.6 ±0.1 | 0.7±0.3 | NS |
| A (cm/s) | 0.7±0.1 | 0.8±0.1 | NS |
| E/A ratio | 0.9±0.2 | 0.9±0.4 | NS |
| LVM | 179±5.58 | 197±40.8 | NS |
| RWT | 0.47±0,065 | 0.47±0.059 | NS |
| Mitral Annulus | 0.08±0.03 | 0.12±0.18 | |
| Early diastolic velocity (Em) | 0.09±0.01 | 0.10±0.02 | NS |
| Late diastolic velocity (Am) | 0.11±0.03 | 0.12±0.01 | NS |
| LV (Sm) | 0.81±0.11 | 0.79±0.21 | NS |
| Em/Am | NS | ||
| QT | 374±41,9 | 357±33.3 | NS |
| QTc | 416±27.7 | 422±42.2 | NS |
| Tp-Te | 91±12.24 | 74±9.96 | < 0.001 |
| Tp-Te/QT | 0.24±0.027 | 0.20±0.025 | < 0.001 |
| Tp-Te/QTc | 0.22±0.023 | 0.18±0.023 | < 0.001 |
LVEDD: left ventricular end diastolic diameter; LVESD: left ventricular end systolic diameter; EF: ejection fraction; MPI: myocardial performance index; LV (Sm): Left ventricular systolic myocardial velocity; QTc: corrected QT; QTd: QT dispersion; LVM: left ventriculer mass; RWT: relative wall thickness Data are expressed as means±SD; NS: non significant.