Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,038 questions · 2,118 findings · 339 reviews

No studies found 323 · 15.3%GRADE not reported 166 · 7.8%Very low 552 · 26.1%Low 592 · 28%Moderate 340 · 16.1%High 145 · 6.8%

Intervention not reported

Block success (predicted adequacy of block) · People undergoing upper and lower limb blocks

The intervention probably leads to higher block success (predicted adequacy of block) (moderate certainty).

1 finding from 1 review

Intervention not reported

Block success (supplementation or conversion to general anaesthesia · People undergoing upper and lower limb blocks

The intervention probably leads to lower block success (supplementation or conversion to general anaesthesia (moderate certainty).

1 finding from 1 review

Intervention not reported

Paraesthesia · People undergoing upper and lower limb blocks

It is very uncertain whether the intervention changes paraesthesia (very low certainty).

1 finding from 1 review

Intervention not reported

Vascular puncture · People undergoing upper and lower limb blocks

The intervention may leads to lower vascular puncture (low certainty).

1 finding from 1 review

Intervention not reported

Time to perform block · People undergoing upper and lower limb blocks
1 finding from 1 review

Intervention not reported

Number of attempts9 · People undergoing upper and lower limb blocks
1 finding from 1 review

Intervention not reported

Patient discomfort9 · People undergoing upper and lower limb blocks
1 finding from 1 review

Intervention not reported

Number whose treatment was changed after assessment with or without urodynamics · patients with lower urinary tract symptoms

The intervention may leads to higher number whose treatment was changed after assessment with or without… (low certainty).

1 finding from 1 review

Intervention not reported

Number of men with continuing symptoms of voiding dysfunction after treatment following assessment with and without urodynamic studies ‐ not reported · patients with lower urinary tract symptoms

The review found no eligible studies for this question.

1 finding from 1 review

Nasal prongs vs nasopharyngeal catheter

Treatment failure Failure to achieve adequate oxygenation (SaO2 greater than 60 mmHg) · children with acute lower respiratory tract infections

It is very uncertain whether nasal prongs changes treatment failure Failure to achieve adequate oxygenation (SaO2) compared with nasopharyngeal catheter (very low certainty).

1 finding from 1 review