Table 1.
Baseline (t0) Characteristics of the Subject Groups
| RLT (n=57) | ELT (n=48) | Controls (n=23) | |
|---|---|---|---|
| Sex | |||
| Female | 49/86.0% | 34/70.8% | 15/65.2% |
| Male | 8/14.0% | 14/29.2% | 8/34.8% |
| Agea | 46.2±9.0 | 48.6±9.8 | 44.4±10.2 |
| Weighta | 72.9±15.22 | 73.4±13.7 | 73.7±13.4 |
| Skin complexion (subjective)b | 4.54±1.92 | 4.87±2.02 | |
| Skin feeling (subjective)b | 5.33±2.04 | 5.24±2.18 | |
| Skin roughness (Ra)b | 15.29±4.20 | 14.84±4.04 | 11.79±2.17 |
| Collagen intensity scorec | 20.40±6.55 | 18.96±3.54 | 23.22±7.36 |
| Expert wrinkle assessmentd | |||
| No/shallow or fine wrinkles | 14/24.6% | 17/35.4% | 5/21.7% |
| Moderate wrinkles | 20/35.1% | 11/22.9% | 6/26.1% |
| Prominent or deep wrinkles | 13/22.8% | 11/22.9% | 9/39.1% |
| No majority vote possible | 10/17.5% | 9/18.8% | 3/13.0% |
a
Values represent means±SD at t0.
b
Values represent means±SD at t0; small numbers indicate good values.
c
Values represent means±SD at t0; large numbers indicate good values.
d
Majority vote of three blinded expert reviewers, based on the Modified Fitzpatrick Wrinkle Scale.
RLT, red light technology; ELT, energizing light technology.