Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,888 questions · 2,009 findings · 352 reviews

No studies found 224 · 11.1%GRADE not reported 265 · 13.2%Very low 551 · 27.4%Low 540 · 26.9%Moderate 311 · 15.5%High 118 · 5.9%

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

Paracetamol (single administration, any dose) vs placebo

Adequate pain relief as reported by women · women with perineal pain following childbirth

Paracetamol (single administration, any dose) may leads to higher adequate pain relief as reported by women compared with placebo (low certainty).

1 finding from 1 review

Paracetamol (single administration, any dose) vs placebo

Maternal drug adverse effects (sleepiness) · women with perineal pain following childbirth

Paracetamol (single administration, any dose) showed no clear difference in maternal drug adverse effects (sleepiness) compared with placebo (low certainty).

1 finding from 1 review

Suprapubic catheterisation vs intermittent self‐catheterisation

Adverse events (acute complication after surgery)

It is very uncertain whether suprapubic catheterisation changes adverse events (acute complication after surgery) compared with intermittent self‐catheterisation (very low certainty).

1 finding from 1 review

Suprapubic catheterisation vs intermittent self‐catheterisation

Urinary tract infection

It is very uncertain whether suprapubic catheterisation changes urinary tract infections in the first month after surgery compared with intermittent self‐catheterisation (very low certainty).

1 finding from 1 review