Table 5.
Statistical significant correlations between BHK scale scores and spatial–temporal/kinematic measures for the copy of a line of cycloid loops (N = 122).
| BHK test criteria | Kinetics/kinematics features | Pearson’s r | p value |
|---|---|---|---|
|
Mean total score 11.59, SD 4.80 Range 3.00–26.00 |
Drawing height (mm) | 0.30 | 0.0009*** |
| Height of loops (mm) | 0.27 | 0.0051** | |
|
Mean number of letters written in 5 mn 203.0, SD 87.97 Range 32–367 |
Total drawing length (mm) | − 0.18 | 0.0441* |
| Drawing height (mm) | − 0.38 | 2.046e − 05*** | |
| Degree of inclination of the line (°) | 0.25 | 0.0068** | |
| Height of loops (mm) | − 0.18 | 0.0467* | |
| Total drawing time (sec) | − 0.24 | 0.0075** | |
| Effective track time (sec) | − 0.24 | 0.0064** | |
| Average velocity (mm/sec) | 0.24 | 0.0088** | |
| Maximum velocity (mm/sec) | 0.25 | 0.0072** | |
| Criterion 1: writing is too large | Average length per stroke (mm) | 0.28 | 0.0023** |
| Drawing height (mm) | 0.37 | 4.639e − 05*** | |
| Degree of inclination of the line (°) | − 0.22 | 0.0148* | |
| Height of loops (mm) | 0.37 | 4.29e − 05*** | |
| Criterion 2: widening of left-margin | Average length per stroke (mm) | − 0.19 | 0.039* |
| Criterion 3: bad letter or word alignment | Drawing height (mm) | 0.26 | 0.0047** |
| Height of loops (mm) | 0.22 | 0.0131* | |
| Criterion 4: insufficient word spacing | Total drawing length (mm) | 0.22 | 0.0173* |
| Criterion 5: acute turns in connecting joins to letters | Total drawing time (sec) | 0.24 | 0.008** |
| Effective track time (sec) | 0.22 | 0.016* | |
| Criterion 6: absence or irregularities in joins (break in the trace) | Spacing between loops (mm) | 0.21 | 0.0253* |
| Loops number | − 0.21 | 0.0223* | |
| Criterion 7: collisions of letters | No significant statistics | ||
| Criterion 8: inconsistent letter size (of x-height letters) | Drawing height (mm) | 0.25 | 0.0059** |
| Degree of inclination of the line (°) | − 0.18 | 0.0499* | |
| Criterion 9: incorrect relative height of the various kind of letters | Drawing width (mm) | − 0.21 | 0.0198* |
| Drawing height (mm) | 0.24 | 0.0090** | |
| Height of loops (mm) | 0.20 | 0.0313* | |
| Criterion 10: letter distorsion | Degree of inclination of the line (°) | 0.19 | 0.04* |
| Criterion 11: ambiguous letter forms | No significant statistics | ||
| Criterion 12: correction of letter forms | No significant statistics | ||
| Criterion 13: unsteady writing trace | No significant statistics | ||
SD standard deviation.
*p < 0.05; **p < 0.01; ***p < 0.001.