Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,372 questions · 3,874 findings · 666 reviews

No studies found 431 · 11.1%GRADE not reported 783 · 20.2%Very low 995 · 25.7%Low 909 · 23.5%Moderate 596 · 15.4%High 160 · 4.1%

Psychological therapies vs controls

Responder rate (achievement of at least 50% reduction in migraine frequency) Higher numbers mean more people responded · adults with migraine

It is very uncertain whether psychological therapies changes responder rate (achievement of at least 50% reduction in migraine… compared with controls (very low certainty).

1 finding from 1 review

Early enteral nutrition vs delayed enteral nutrition

Feed intolerance or gastrointestinal complications (as defined by the authors) · critically ill adult patients

It is very uncertain whether early enteral nutrition changes feed intolerance or gastrointestinal complications (as defined by… compared with delayed enteral nutrition (very low certainty).

1 finding from 1 review

Non‐specialist‐led vs specialist‐led follow‐up after primary cancer treatment

Depressive symptoms · adult cancer survivors from the following cancer sites: breast, colon, colorectal, endometrial, ovarian, cervical, melanoma and oesophageal

Non‐specialist‐led showed no clear difference in depression (at 12 months) HADS‐Depression subscale (higher scores… compared with specialist‐led follow‐up after primary cancer treatment (high certainty).

1 finding from 1 review