Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,288 questions · 3,354 findings · 516 reviews · Headline outcomes only

No studies found 720 · 21.5%GRADE not reported 164 · 4.9%Very low 950 · 28.3%Low 932 · 27.8%Moderate 434 · 12.9%High 154 · 4.6%

Ultrasound‐guided foam sclerotherapy vs conventional surgery

Disease‐specific quality of life · people requiring intervention for short saphenous vein varices
2 findings from 1 review

Endovenous laser ablation (EVLA) vs conventional surgery

Recurrence of reflux at 1 year · people requiring intervention for short saphenous vein varices

Endovenous laser ablation may leads to lower recurrence of reflux at 1 year compared with conventional surgery (low certainty).

1 finding from 1 review

Endovenous laser ablation (EVLA) vs conventional surgery

Recurrence · people requiring intervention for short saphenous vein varices

Endovenous laser ablation showed no clear difference in clinical evidence of recurrence after 1 year compared with conventional surgery (low certainty).

1 finding from 1 review

Endovenous laser ablation (EVLA) vs conventional surgery

Disease‐specific quality of life · people requiring intervention for short saphenous vein varices
2 findings from 1 review

Ultrasound‐guided foam sclerotherapy vs conventional surgery

Recanalisation or persistence of reflux at 6 weeks · people requiring intervention for short saphenous vein varices

Ultrasound‐guided foam sclerotherapy showed no clear difference in recanalisation or persistence of reflux at 6 weeks compared with conventional surgery (low certainty).

1 finding from 1 review

Ultrasound‐guided foam sclerotherapy vs conventional surgery

Recurrence of reflux at 1 year · people requiring intervention for short saphenous vein varices

Ultrasound‐guided foam sclerotherapy showed no clear difference in recurrence of reflux at 1 year compared with conventional surgery (low certainty).

1 finding from 1 review

Intervention not reported

Successful cannulation at the first attempt · paediatric patients

The intervention probably leads to higher successful cannulation at the first attempt (moderate certainty).

1 finding from 1 review

Intervention not reported

Rate of complications (haematoma or ischaemia) · paediatric patients

The intervention probably leads to lower rate of complications (haematoma or ischaemia) (moderate certainty).

1 finding from 1 review

Intervention not reported

Successful cannulation within the first 2 attempts · paediatric patients

The intervention probably leads to higher successful cannulation within the first 2 attempts (moderate certainty).

1 finding from 1 review