Table 3 Multiple regression analysis showing impact of demographic parameters on LV myocardial thickness and mass
Variable | Girls | Boys | ||||
|---|---|---|---|---|---|---|
Regression coefficient | Standard error | P value | Regression coefficient | Standard error | P value | |
Myocardial thickness at basal left ventricle | ||||||
Body surface area | 3.37 | 0.42 | 4.4 × 10–11 | 2.47 | 0.18 | < 2 × 10–16 |
Body height | − 0.021 | 0.0077 | 0.0081 | – | – | – |
Myocardial thickness at mid-ventricular left ventricle | ||||||
Body surface area | 3.38 | 0.45 | 3.9 × 10–10 | 2.26 | 0.21 | < 2 × 10–16 |
Age | − 0.13 | 0.041 | 0.0037 | – | – | – |
Myocardial thickness at apical left ventricle | ||||||
Body weight | 0.029 | 0.0039 | 2.0 × 10–10 | – | – | – |
Body height | – | – | – | 0.028 | 0.0035 | 3.0 × 10–12 |
Myocardial mass | ||||||
Body surface area | 78.21 | 7.61 | 7.5 × 10–15 | 63.59 | 7.56 | 4.6 × 10–13 |
Age | − 1.65 | 0.71 | 0.024 | 1.95 | 0.86 | 0.026 |
Average heart rate | − 0.27 | 0.094 | 0.0057 | − 0.16 | 0.078 | 0.049 |