Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

996 questions · 1,049 findings · 79 reviews · Dementia and Cognitive Improvement

No studies found 240 · 22.9%GRADE not reported 31 · 3%Very low 216 · 20.6%Low 253 · 24.1%Moderate 238 · 22.7%High 71 · 6.8%

Intervention not reported

CIBIC‐Plus (change from baseline at 26 weeks) Scale: 1 to 7 (1 = very much improved, 4 = no change, 7 = very much worse) · patients with Alzheimer's disease
1 finding from 1 review

Intervention not reported

publication bias · patients with Alzheimer's disease
1 finding from 1 review

Intervention not reported

ADAS‐Cog Scale from: 1 to 70 (higher scores represent worse performance) · patients with Alzheimer's disease
1 finding from 1 review

Intervention not reported

MMSE Scale from: 0 to 30 (higher scores represent better performance) · patients with Alzheimer's disease
1 finding from 1 review

Intervention not reported

ADCS‐ADL Scale from: 0 to 54 (higher scores represent better performance) · patients with Alzheimer's disease
1 finding from 1 review

Intervention not reported

NPI Scale from: 0 to 144 (higher scores represent worse performance) · patients with Alzheimer's disease
1 finding from 1 review

Intervention not reported

Adverse events · patients with Alzheimer's disease

The intervention showed no clear difference in adverse events (moderate certainty).

1 finding from 1 review

Intervention not reported

Serious adverse events · patients with Alzheimer's disease

The intervention showed no clear difference in serious adverse events (moderate certainty).

1 finding from 1 review

Intervention not reported

Total dropouts · patients with Alzheimer's disease

The intervention showed no clear difference in total dropouts (moderate certainty).

1 finding from 1 review

Intervention not reported

Dropouts due to adverse events · patients with Alzheimer's disease

The intervention showed no clear difference in dropouts due to adverse events (moderate certainty).

1 finding from 1 review