Table 1.
Basic characteristics
| Men | Women | |||||
|---|---|---|---|---|---|---|
| Parameter | n | mean | (95 % CI) | n | mean | (95 % CI) |
| SLI (mV) | 950 | 2.1 | (2.1–2.1) | 808 | 2.2 | (2.2–2.3) |
| age (years) | 967 | 64.0 | (63.4–64.7) | 812 | 63.0 | (62.3–63.7) |
| QTc (ms) | 950 | 425.0 | (423.6–426.6) | 808 | 427.8 | (426.2–429.4) |
| LVM (g) | 909 | 120.03 | (118.1–122.1) | 784 | 105.3 | (103.5–107.1) |
| LVMI (g/m2) | 909 | 236.6 | (230.4–240.9) | 784 | 185.0 | (181.4–188.6) |
| BMI (kg/m2) | 867 | 27.9 | (27.6–28.1) | 812 | 28.1 | (27.7–28.4) |
| SBP (mmHg) | 966 | 144.5 | (143.3–145.8) | 812 | 140.0 | (138.5–141.5) |
| DBP (mmHg) | 966 | 85.2 | (84.5–85.9) | 812 | 82.5 | (81.8–83.3) |
| Prevalence data | ||||||
| n | % | n | % | |||
| SLI | 41 | 4.6 % | 31 | 4.0 % | ||
| LVH | 675 | 81.2 % | 622 | 83.2 % | ||
| Hypertension | 682 | 76.4 % | 555 | 71.3 % | ||
| BMI | ||||||
| BMI I | 202 | 22.6 % | 212 | 27.3 % | ||
| BMI II | 435 | 48.7 % | 298 | 38.3 % | ||
| BMI III | 256 | 28.7 % | 268 | 34.5 % | ||
SLI Sokolow-Lyon index, LVM left-ventricular mass, LVMI left-ventricular mass index; BMI body-mass-index, SBP systolic blood pressure, DBP diastolic blood pressure, QTc corrected QT-interval, 95 % CI 95 % confidence interval, LVH left ventricular hypertrophy, BMI I BMI: <25 kg/m2 (normal), BMI II BMI: 25–30 kg/m2 (overweight), BMI III BMI: >30 kg/m2 (obese) [16]