Treatment

Number of patients

Lowest age

Highest age

Average age

Standard deviation (SD)

Lactobionic acid

15

14.0

23.0

19.40

± 2.85

Lactobionic acid + corundum microdermabrasion

15

15.0

23.0

19.27

± 2.69

Corundum microdermabrasion

15

16.0

22.0

19.27

± 2.15

Total

45

14.0

23.0

19.31

± 2.52

Statistical analysis

Variance Analysis Test F = 0.12 p > 0.05

Levene’s Test of Variance Homogeneity L = 0.77 p > 0.05