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Table 6 Test of homogeneity for Korean acne grading index

From: Effects of the myrtle essential oil on the acne skin—clinical trials for Korean women

KAGS
(grade)
Myrtle group
N(%)
Control group
N(%)
t p
1 5(50) 6(60) 0.130 0.722
2 3(30) 2(20)
3 1(10) 2(20)
4 1(10) 0(0)