Fig. 2. Comparisons of skin grades at pretreatment and posttreatment. Mean value of skin grades was 17 (IQR: 16-19) at pretreatment and 14 (IQR: 14.00-15.25) at posttreatment. There was a statistically significant (p < 0.01) difference in skin grade between pretreatment and posttreatment.

Med Lasers 2023;12:29~33 https://doi.org/10.25289/ML.22.051

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