Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,149 questions · 1,211 findings · 179 reviews

No studies found 175 · 14.5%GRADE not reported 86 · 7.1%Very low 286 · 23.6%Low 341 · 28.2%Moderate 254 · 21%High 69 · 5.7%

Intervention not reported

Very preterm birth (less than 34 weeks) ‐ assuming complete correlation between twins/triplets · women with multiple pregnancy

The intervention showed no clear difference in very preterm birth (less than 34 weeks) ‐ assuming complete… (low certainty).

1 finding from 1 review

Intervention not reported

Low birthweight (less than 2500 g) ‐ assuming independence between twins/triplets · women with multiple pregnancy

The intervention showed no clear difference in low birthweight (less than 2500 g) ‐ assuming independence between… (low certainty).

1 finding from 1 review

Intervention not reported

Very preterm birth (less than 34 weeks) ‐ assuming complete correlation between twins · women with multiple pregnancy

The intervention showed no clear difference in very preterm birth (less than 34 weeks) ‐ assuming complete… (low certainty).

1 finding from 1 review

Interferon vs glatiramer acetate

Number of participants with confirmed progression Risk ratio (M‐H, random, 95% CI) · patients with relapsing‐remitting multiple sclerosis

Interferons showed no clear difference in number of participants with confirmed progression Risk ratio (M‐H,… compared with glatiramer acetate (moderate certainty).

1 finding from 1 review