| Localisation | The correlation coefficient (r) with a duration of disease |
|---|---|
| Forehead | -0.89* |
| Eyelids | -0.14 |
| Lips | -0.07 |
| Chin | 0.14 |
| Neck | 0.15 |
| Breast | -0.08 |
| Axillary areas | 0.08 |
| Back | -0.33 |
| Buttocks | 0.05 |
| Inguinal folds | 0.02 |
| Brachiums | -0.32 |
| Elbows | -0.35 |
| Forearms | -0.06 |
| The back of brushes | -0.13 |
| Femurs | 0.12 |
| Knees | -0.21 |
| Shins | -0.16 |
| The back of feet | -0.02 |