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Modeling of global skin aging indices among Caucasian and Asian women by Julie Robic; Alex Nkengne; Bee Leng Lua; Aurore Bellanger; Rachel Hu; Katell Vie is a Medicine article available to read on EtoBox.
What is Modeling of global skin aging indices among Caucasian and Asian women about?
## Abstract ## Background The skin aging process is defined as the gradual degradation of several skin properties such as firmness, color, or the appearance of wrinkles. These properties can be assessed by trained experts, who perform an overall evaluation of the entire face. ## Objective The objective of this paper is the construction of two Global Skin Aging Indices specifically designed to model the overall skin aging process of Caucasian and Asian women. ## Methods Two hundred forty Asian women and 129 Caucasian women aged between 20 and 60 years old are recruited. Parameters related to wrinkles, sagging, elasticity, and skin tone are measured (clinically or instrumentally). The global skin aging index is defined as the normalized projection on the first principal component of a principal component analysis of the skin measurements. Then, linear regressions are performed between the indices and age of both panels. ## Results The first principal component carries around 50% of the initial variance for both indices. Both Global Skin Aging Indices statistically correlate with age (__R__ ^2^ ≥ 0.7, __p__‐value < 0.05). An equation linking the indices with age is computed. ## Conclu
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- Author
- Julie Robic; Alex Nkengne; Bee Leng Lua; Aurore Bellanger; Rachel Hu; Katell Vie
- Publisher
- Wiley
- Published
- 2023
- Language
- EN
- Field
- Medicine (Health Sciences)