Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,703 questions · 3,824 findings · 858 reviews

No studies found 573 · 15%GRADE not reported 383 · 10%Very low 993 · 26%Low 1,062 · 27.8%Moderate 614 · 16.1%High 199 · 5.2%

Nonavalent HPV vaccine vs quadrivalent HPV vaccine

Overall local/injection site adverse events at 15‐day · 9‐ to 26‐year‐old females and males

Nonavalent HPV vaccine leads to higher overall local/injection site adverse events at 15‐day compared with quadrivalent HPV vaccine (high certainty).

1 finding from 1 review

Nonavalent HPV vaccine vs quadrivalent HPV vaccine

Overall systemic events and general symptoms · 9‐ to 26‐year‐old females and males

Nonavalent HPV vaccine showed no clear difference in overall systemic events and general symptoms at 15‐day compared with quadrivalent HPV vaccine (moderate certainty).

1 finding from 1 review

Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs Placebo, no intervention or usual care (with or without placebo)

Number of immediate (less than 24 hours) and delayed (24 hours to 10 days) postoperative bleeding episodes requiring intervention · People with haemophilia (A or B) undergoing minor oral surgery or dental extractions

The review found no eligible studies for this question.

1 finding from 1 review

Surgical portosystemic shunts vs transjugular intrahepatic portosystemic shunt (TIPS)

All‐cause mortality at 30 days · people with cirrhotic portal hypertension

It is very uncertain whether surgical portosystemic shunts changes all‐cause mortality at 30 days compared with transjugular intrahepatic portosystemic shunt (TIPS) (very low certainty).

1 finding from 1 review

Surgical portosystemic shunts vs transjugular intrahepatic portosystemic shunt (TIPS)

Number of participants with Variceal rebleeding episodes at 30 days · people with cirrhotic portal hypertension

It is very uncertain whether surgical portosystemic shunts changes number of participants with Variceal rebleeding episodes at 30 days compared with transjugular intrahepatic portosystemic shunt (TIPS) (very low certainty).

1 finding from 1 review

Laparoscopic vs open appendectomy

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · patients with suspected appendicitis
3 findings from 1 review

Preoperative radiotherapy vs surgery

Postoperative morbidity ‐ sepsis (within 30 days after surgery) · People with localised rectal carcinoma

Preoperative radiotherapy may leads to higher postoperative morbidity ‐ sepsis (within 30 days after surgery) compared with surgery alone (low certainty).

1 finding from 1 review

Preoperative radiotherapy vs surgery

Postoperative morbidity ‐ surgical complications (within 30 days after surgery) · People with localised rectal carcinoma

Preoperative radiotherapy may leads to higher postoperative morbidity ‐ surgical complications (within 30 days… compared with surgery alone (low certainty).

1 finding from 1 review