Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,454 questions · 3,562 findings · 816 reviews · Headline outcomes only

No studies found 538 · 15.1%GRADE not reported 239 · 6.7%Very low 933 · 26.2%Low 1,041 · 29.2%Moderate 612 · 17.2%High 199 · 5.6%

Summary of findings: 1.25 mg/day plus rehabilitation vs placebo plus rehabilitation

Symptom free with activities of daily living (patient rated) ( · rotator cuff disease

Summary of findings: 1.25 mg/day plus rehabilitation showed no clear difference in symptom free with activities of daily living (patient rated) ( compared with placebo plus rehabilitation (low certainty).

1 finding from 1 review

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

Number of participants experiencing any serious adverse events · people with Alzheimer's disease

Vitamin E (capsules 2000 IU/day in two divided doses) showed no clear difference in adverse events Number of participants reporting ≥ 1 serious adverse… compared with placebo (moderate certainty).

1 finding from 1 review

Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo

Progression to Alzheimer's disease Number of people progressing to AD · MCI

Vitamin E (capsules 2000 IU/day in two divided doses) showed no clear difference in progression to Alzheimer's disease Number of people progressing to AD compared with placebo (moderate certainty).

1 finding from 1 review