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%

Donepezil 10 mg/day vs placebo

Clinician‐rated global impression test (improved compared with baseline assessed using CIBIC‐plus at 24 weeks) · people with Alzheimer's disease

Donepezil 10 mg/day probably leads to higher clinician‐rated global impression tests (improved compared with… compared with placebo (moderate certainty).

1 finding from 1 review

Donepezil 10 mg/day vs placebo

Acceptability · people with Alzheimer's disease

Donepezil 10 mg/day probably leads to higher acceptability of treatment (as measured by withdrawals from trial… compared with placebo (moderate certainty).

1 finding from 1 review

Donepezil 10 mg/day vs placebo

Risk for at least one adverse event per patient · people with Alzheimer's disease

Donepezil 10 mg/day probably leads to higher incidence of adverse events (at least one adverse event by 26 weeks) compared with placebo (moderate certainty).

1 finding from 1 review

Febuxostat 40 mg/day vs placebo

Acute gout attacks · people with chronic gout

Febuxostat 40 mg/day showed no clear difference in incidence of gout flares compared with placebo (low certainty).

1 finding from 1 review