Age group | Steps | Variables | Coefficient | R2 | p value |
5–12 years | 1 | Parental MHS | 0.4793 | 0.207 | <0.0001 |
2 | Level of lesion | 0.0227 | 0.051 | 0.0055 | |
3 | Head circumference | −0.0230 | 0.005 | 0.3634 | |
4 | Congenital anomalies | 0.0080 | 0.001 | 0.7287 | |
13–20 years | 1 | Parental MHS | 0.5570 | 0.234 | <0.0001 |
2 | Level of lesion | 0.0170 | 0.017 | 0.2565 | |
3 | Head circumference | −0.0091 | 0.029 | 0.8092 | |
4 | Congenital anomalies | −0.0176 | 0.031 | 0.5990 |