Table 1.
Sample characteristics and clinical assessment scores.
| Young group (n = 8) |
Midaged group (n = 8) |
Old group (n = 8) |
Total (n = 24) |
ANOVA P value |
|
|---|---|---|---|---|---|
| Age in years, | |||||
| Mean (SD) | 33.5 (2.1) | 55.4 (2.7) | 76.6 (1.9) | 55.2 (18.1) | n.a. |
| Range | 31 to 37 | 51 to 59 | 74 to 79 | 31 to 79 | |
| BMI in kg/m2, | |||||
| Mean (SD) | 21.8 (2.0) | 26.0 (5.0) | 26.2 (2.5) | 24.7 (3.9) | n.a. |
| Range | 19.7 to 25.9 | 20.8 to 30.5 | 21.1 to 29.3 | 19.7 to 30.5 | |
| Photo type, n | n.a. | ||||
| II | 4 | 7 | 4 | 14 | n.a. |
| III | 4 | 1 | 4 | 10 | n.a. |
| Postmenopausal, n | 0 | 6 | 8 | 14 | n.a. |
| Lifetime sun exposure in hours, mean (SD) | 48522 (17039) | 62141 (11934) | 90953 (47621) | 67205 (33888) | n.a. |
| Skin ageing score, mean (SD) | 19.6 (1.6) | 25.7 (3.8) | 32.5 (3.9) | — | <0.001 |
| Wrinkle score, mean (SD) | 26.8 (7.9) | 56.4 (12.3) | 83.3 (14.6) | — | <0.001 |
| Sagging score, | |||||
| Mean (SD) | 1.3 (0.4) | 2.4 (0.4) | 3.6 (0.6) | — | <0.001 |
| Median | 1.5 | 2.5 | 4.0 |
SD: standard deviation; BMI: Body Mass Index; n.a.: not applied.