Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,062 questions · 1,113 findings · 171 reviews · Headline outcomes only

No studies found 161 · 14.5%GRADE not reported 41 · 3.7%Very low 269 · 24.2%Low 321 · 28.8%Moderate 252 · 22.6%High 69 · 6.2%

Intervention not reported

The proportion of patients with lymphopenia at two years · Patients with relapsing‐remitting multiple sclerosis

The intervention probably leads to higher the proportion of patients with lymphopenia at two years (moderate certainty).

1 finding from 1 review

Home (point‐of‐use) fortification of foods with multiple micronutrient powders vs multiple micronutrients (MMN)

Maternal iron deficiency at term or near term (as defined by authors of the trials, based on any indicator of iron status at 34 weeks' gestation or more) · women during pregnancy
1 finding from 1 review

Cognitive training combined with other neuropsychological rehabilitation methods vs control

Everyday cognitive performance / patient's report · people with multiple sclerosis

Cognitive training combined with other neuropsychological… showed no clear difference in everyday cognitive performance/patient's report compared with any control (low certainty).

1 finding from 1 review