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What do systematic reviews say?

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Evidence found and GRADE certainty

2 questions · 2 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 100%High 0 · 0%

MAL‐PDT vs red light only

Investigator‐assessed change in inflamed lesions (ILs) Lesion counts · Moderate and severe acne vulgaris
1 finding from 1 review
  • Light therapies for acne 2016 · Cochrane Headline outcomes only
    no estimate extracted
    3 studies · 360 participants
    Moderate

MAL‐PDT vs red light only

Investigator‐assessed change in non‐inflamed lesions (NILs) Lesion counts · Moderate and severe acne vulgaris
1 finding from 1 review
  • Light therapies for acne 2016 · Cochrane Headline outcomes only
    no estimate extracted
    3 studies · 360 participants
    Moderate