TABLE 2.
Mean values for surface and line roughness characteristics and changes (periorbital)
| PARAMETER | BASELINE | DAY 90 | DAY 150 | PERCENT CHANGE AT DAY 90 | PERCENT CHANGE AT DAY 150 |
|---|---|---|---|---|---|
| Sa | 45.2 | 33.8 | 33.3 | 25.0 | 26.0 |
| Smax | 806.5 | 554.4 | 522.0 | 31.0 | 35.0 |
| Sz | 740.6 | 502.3 | 476.7 | 32.0 | 36.0 |
| Ra | 31.9 | 22.9 | 22.3 | 28.0 | 30.0 |
| Rmax | 236.8 | 165.4 | 156.8 | 30.0 | 34.0 |
| Rz | 172.2 | 121.0 | 116.2 | 30.0 | 33.0 |
Ra: average roughness of skin; Rmax: maximum roughness of skin; Rz: average of single roughness depths; Sa: arithmetic mean of surface roughness of skin; Smax: height difference between highest peak and lowest valley on the entire measuring field; Sz: mean of 5 highest peaks and deepest valleys