Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,266 questions · 1,314 findings · 160 reviews · Headline outcomes only

No studies found 309 · 23.5%GRADE not reported 34 · 2.6%Very low 356 · 27.1%Low 393 · 29.9%Moderate 187 · 14.2%High 35 · 2.7%

Intervention not reported

Overall communication skills Different scales used by different studies: total scores vary across communication items or average score on a Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Relationship building/rapport Different scales used by different studies: average empathy score across several items or average score on a Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Information gathering about patient perspectives/concerns Different scales used by different studies, some dichotomous outcomes Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Specific communication techniques Different scales used by different studies, some dichotomous outcomes Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students

The intervention may leads to lower specific communication techniques Different scales used by different… (low certainty).

1 finding from 1 review

Intervention not reported

Overall communication skills Different scales used by different studies: total scores vary across communication items or average score on a Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Intervention not reported

Empathy Different scales used by different studies: average empathy score across several items or average score on a 5‐ to 9‐point Likert scale Based on assessments occurring immediately and up to 12 months after intervention delivery · pre‐registration medical students
1 finding from 1 review

Portosystemic shunts vs endoscopic intervention with or without medical treatment

All‐cause mortality · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether portosystemic shunts changes all‐cause mortality compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

All‐cause mortality · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether transjugular intrahepatic portosystemic shunt changes all‐cause mortality compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Portosystemic shunts vs endoscopic intervention with or without medical treatment

Rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether portosystemic shunts changes rebleeding compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

Rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether transjugular intrahepatic portosystemic shunt changes rebleeding compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

Health‐related quality of life · participants with cirrhosis and with previous oesophagogastric variceal bleeding

The review found no eligible studies for this question.

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

Mortality due to rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether transjugular intrahepatic portosystemic shunt changes mortality due to rebleeding compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review