Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

120 questions · 126 findings · 18 reviews

No studies found 20 · 15.9%GRADE not reported 8 · 6.3%Very low 28 · 22.2%Low 27 · 21.4%Moderate 27 · 21.4%High 16 · 12.7%

Multi‐component intervention vs exercise

Number of people who experience a fall that required hospital admission · Older people living in the community

It is very uncertain whether multiple component interventions changes number of people who experience a fall that require hospital admission compared with exercise (very low certainty).

1 finding from 1 review

Multiple-surface ART restoration using high-viscosity glass ionomer vs No comparator

Restoration survival · Primary posterior teeth with multiple-surface cavities

Multiple-surface high-viscosity glass-ionomer ART restorations in primary teeth had moderate 2-year survival (62%, 95% CI 51-73%); evidence ungraded.

3 findings from 1 review

Multiple-surface ART restoration using high-viscosity glass ionomer vs No comparator

Restoration survival · Permanent posterior teeth with multiple-surface cavities

Multiple-surface high-viscosity glass-ionomer ART restorations in permanent teeth had high 1-year survival (86%, 95% CI 59-98%); evidence ungraded.

3 findings from 1 review

(ITS) Multiple safe devices vs regular devices

Needle stick injuries · preventing percutaneous exposure injuries caused by needles in healthcare personnel

It is very uncertain whether (CBA) Multiple safe devices changes needle stick injuries compared with regular devices (very low certainty).

1 finding from 1 review

Home (point‐of‐use) fortification of foods with multiple micronutrient powders vs placebo or no intervention

Anaemia · children aged 6 to 23 months

Home (point‐of‐use) fortification of foods with multiple… probably leads to lower anaemia (haemoglobin values lower than 110 g/L) compared with no intervention or placebo (moderate certainty).

1 finding from 1 review

Home (point‐of‐use) fortification of foods with multiple micronutrient powders vs placebo or no intervention

Iron deficiency (as defined by trialists) · children aged 6 to 23 months

Home (point‐of‐use) fortification of foods with multiple… leads to lower iron deficiency (as defined by trialists) compared with no intervention or placebo (high certainty).

1 finding from 1 review