Fig. 5 | Scientific Reports

Fig. 5

From: Image based quantification method reveals differential patterns of lip desquamation associated with age and sex

Fig. 5

Lip desquamation level according to age and sex among 1,000 individuals. (a), (b) The mean desquamation rates for different age groups in males and females, respectively. Significant differences in pairwise comparison are denoted by asterisks (*p-value < 0.05, **p-value < 0.01, ***p-value < 0.001, and ****p-value < 0.0001). (c) The solid lines represent the nonlinear regression lines for males (blue line) and females (red line), with the gray shaded area indicating the 95% confidence interval. The vertical dashed line indicates the age of 38, where females start to show a decline in desquamation rate.

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