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What do systematic reviews say?

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Evidence found and GRADE certainty

6 questions · 6 findings · 1 reviews

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No studies found 2 · 33.3%GRADE not reported 0 · 0%Very low 0 · 0%Low 2 · 33.3%Moderate 2 · 33.3%High 0 · 0%

Injectable fillers vs placebo or no treatment

Participant‐reported scar improvement (short‐term) N of participants with > 50% improvement in acne scars · people with acne scars

Injectable fillers probably leads to higher participant‐reported scar improvement (short‐term) N of participants… compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Injectable fillers vs placebo or no treatment

Patient satisfaction Number of satisfied patients · people with acne scars

Injectable fillers probably leads to higher participant satisfaction N of satisfied participants compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Injectable fillers vs placebo or no treatment

Participant‐assessed adverse events (short‐term) N of participants with positive adverse events · people with acne scars

Injectable fillers showed no clear difference in participant‐reported adverse events (short‐term) N of participants… compared with placebo or no treatment (low certainty).

1 finding from 1 review

Injectable fillers vs placebo or no treatment

Investigator‐assessed adverse events (short‐term) N of participants with positive adverse events · people with acne scars

Injectable fillers showed no clear difference in investigator‐assessed adverse events (short‐term) N of participants… compared with placebo or no treatment (low certainty).

1 finding from 1 review