3.8. Analysis.

Comparison 3: Topical azelaic acid versus no treatment, Outcome 8: Change in lesion counts ‐ comedones (number of lesions post‐intervention)

Change in lesion counts ‐ comedones (number of lesions post‐intervention)
Study	Subgroup	Topical azelaic acid	No treatment	P value
short term
Pazoki‐Toroudi 2010	comedones	mean ± SD: 5.24 ± 0.61	mean ± SD: 8.8 ± 0.46	< 0.01
medium term
Pazoki‐Toroudi 2010	comedones	mean ± SD: 2.22 ± 0.21	mean ± SD: 7.32 ± 0.51	< 0.01
long term
Pazoki‐Toroudi 2010	comedones	mean ± SD: 2.28 ± 0.09	mean ± SD: 5.36 ± 0.31	< 0.01