Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,751 questions · 12,775 findings · 807 reviews · Headline outcomes only

No studies found 3,413 · 26.7%GRADE not reported 709 · 5.5%Very low 3,483 · 27.3%Low 3,165 · 24.8%Moderate 1,628 · 12.7%High 377 · 3%

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Surgery for Bell's palsy vs medical treatment (oral prednisolone) or no treatment

Complete recovery of facial nerve function at 12 months Defined as: complete recovery HB grade I. · Bell's palsy

It is very uncertain whether surgery for Bell's palsy changes complete recovery of facial nerve function at 12 months Defined as:… compared with medical treatment (oral prednisolone) or no treatment (very low certainty).

1 finding from 1 review

Surgery for Bell's palsy vs medical treatment (oral prednisolone) or no treatment

Complications and side effects · Bell's palsy

It is very uncertain whether surgery for Bell's palsy changes side effects and complications of treatmentMeasured by clinical… compared with medical treatment (oral prednisolone) or no treatment (very low certainty).

1 finding from 1 review

Early surgery vs late surgery

Complete recovery of facial nerve function at 12 months Defined as: complete recovery HB grade I. · Bell's palsy

It is very uncertain whether early surgery changes complete recovery of facial nerve function at 12 months Defined as:… compared with late surgery (very low certainty).

1 finding from 1 review

Oral methotrexate vs placebo

Primary outcome: complete clinical response (malar/discoid rash) · patients with cutaneous disease in systemic lupus erythematosus

Oral methotrexate may leads to higher primary outcome: complete clinical response (malar/discoid rash) compared with placebo (low certainty).

1 finding from 1 review