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Clinical information of subjects.
| Control group | Facial acne group | Back acne group | p | |
|---|---|---|---|---|
| Number of people | 30 | 30 | 30 | |
| Gender Male/Female | 15/15 | 15/15 | 15/15 | |
| Age | 21.07 ± 2.664 | 21.7 ± 2.83 | 20.57 ± 1.547 | 0.4184 |
| Acne grading | ||||
| I grade | 21 | 17 | 0.6062 | |
| II grade | 7 | 10 | ||
| III grade | 2 | 3 | ||
