Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,679 questions · 1,720 findings · 335 reviews · Headline outcomes only

No studies found 192 · 11.2%GRADE not reported 75 · 4.4%Very low 526 · 30.6%Low 504 · 29.3%Moderate 305 · 17.7%High 118 · 6.9%

Intervention not reported

Death or a poor outcome (median 3‐month · adults with acute stroke

The intervention showed no clear difference in death or a poor outcome (median 3‐month (moderate certainty).

1 finding from 1 review

Intervention not reported

Death (median 3‐month · adults with acute stroke

The intervention showed no clear difference in death (median 3‐month (moderate certainty).

1 finding from 1 review

Intervention not reported

Death or dependence (modified Rankin score 3 to 6; median 3‐month · adults with acute stroke

The intervention showed no clear difference in death or dependence (modified Rankin score 3 to 6; median 3‐month (moderate certainty).

1 finding from 1 review

Intervention not reported

Activities of daily living (ADL) (Barthel Index score 0 to 20; lower = 0; median 3‐month · adults with acute stroke

The intervention showed no clear difference in activities of daily living (ADL) (Barthel Index score 0 to 20; lower… (low certainty).

1 finding from 1 review

Intervention not reported

Subjective Health Status score (Assessment of Quality of Life Score 0 to 1; lower = 0; end of scheduled · adults with acute stroke

It is very uncertain whether the intervention changes subjective Health Status score (Assessment of Quality of Life Score… (very low certainty).

1 finding from 1 review

Intervention not reported

Any complication: participants who experience at least one complication (median 3‐month · adults with acute stroke

The intervention showed no clear difference in any complication: participants who experience at least one… (low certainty).

1 finding from 1 review

Intervention not reported

Length of acute hospital stay (days) · adults with acute stroke

The intervention showed no clear difference in length of acute hospital stay (days) (low certainty).

1 finding from 1 review

Intervention not reported

Autism symptom severity Measured by: parent‐reported autism symptoms on standardised autism screening and diagnostic instruments (lower scores indicate less severe autism symptoms) · patients with young children (less than six years old) with autism spectrum disorders (ASD)
1 finding from 1 review

Intervention not reported

Communication and language skills: expressive language Measured by: standardized measures of expressive language (higher scores indicate better expressive language skills) · patients with young children (less than six years old) with autism spectrum disorders (ASD)
1 finding from 1 review

Intervention not reported

Communication and language skills: receptive language Measured by: standardized measures of receptive language (higher scores indicate better receptive language skills) · patients with young children (less than six years old) with autism spectrum disorders (ASD)
1 finding from 1 review

Intervention not reported

Knowledge or understanding (Different measures used by the studies: knowledge of vaccine‐preventable diseases, vaccines, contraindications to vaccination, or a combination, on varying scales) Final time point (3 or 6 months post‐intervention) · parents of preschool‐aged children or expectant parents
1 finding from 1 review

Intervention not reported

Attitudes or beliefs (Different measures used by the studies: perceived severity of vaccine‐preventable diseases, perceived necessity of vaccines, or a combination, on varying scales) Final time point (3 or 6 months post‐intervention) · parents of preschool‐aged children or expectant parents
1 finding from 1 review