Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

535 questions · 545 findings · 129 reviews · Headline outcomes only

No studies found 131 · 24%GRADE not reported 30 · 5.5%Very low 123 · 22.6%Low 136 · 25%Moderate 98 · 18%High 27 · 5%

Ultrasound guidance vs no ultrasound

Failed blocks · children (≤ 18 years of age) undergoing any type of surgical procedure (open or laparoscopic) for which a neuraxial (spinal, epidural,…

Ultrasound guidance showed no clear difference in failed blocks compared with no ultrasound guidance (moderate certainty).

1 finding from 1 review

Ultrasound guidance vs no ultrasound

Minor complications (3 to 6 weeks · children (≤ 18 years of age) undergoing any type of surgical procedure (open or laparoscopic) for which a neuraxial (spinal, epidural,…

Ultrasound guidance showed no clear difference in minor complications compared with no ultrasound guidance (low certainty).

1 finding from 1 review

Ultrasound guidance vs no ultrasound

Major complications · children (≤ 18 years of age) undergoing any type of surgical procedure (open or laparoscopic) for which a neuraxial (spinal, epidural,…

Ultrasound guidance showed no clear difference in major complications compared with no ultrasound guidance (moderate certainty).

1 finding from 1 review

Supervised exercise therapy following vascular intervention vs vascular intervention alone

All‐cause mortality · people with symptomatic peripheral arterial disease§

It is very uncertain whether supervised exercise therapy following vascular intervention changes mortality compared with vascular intervention alone (very low certainty).

1 finding from 1 review

Supervised exercise therapy following vascular intervention vs vascular intervention alone

Reintervention · people with symptomatic peripheral arterial disease§

It is very uncertain whether supervised exercise therapy following vascular intervention changes reintervention compared with vascular intervention alone (very low certainty).

1 finding from 1 review