Clinical Benefit and Safety of Microneedle Patches Composed of Magnesium: A Pilot Study in Acne Patients

Table 3

Changes in the number of acne lesions and acne scores over time.

Variable	Mean ± SD	value	Type 3 value
The number of acne lesions
Day 0	3.06 ± 1.89
Day 3	1.11 ± 0.90	<0.0001
Day 7	0.61 ± 0.85	<0.0001	<0.0001
Acne score
Day 0	8.22 ± 4.70
Day 3	2.50 ± 2.33	<0.0001
Day 7	1.50 ± 2.31	<0.0001	<0.0001

The total number of acne lesions and acne scores decreased significantly. value is corrected by Bonferroni correction. Compared to day 0. Abbreviation: SD, standard deviation.