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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

1,521 questions in 132 reviews · Hepato-Biliary

current versions
No studies 303 · 19.9%Ungraded 39 · 2.6%Very low 876 · 57.6%Low 216 · 14.2%Moderate 65 · 4.3%High 22 · 1.4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Portosystemic shunts vs endoscopic intervention with or without medical treatment
Mortality due to rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding
Portosystemic shunts versus endoscopic intervention with or without medical treatment for prevention of… (2020) · Cochrane
RR 0.51 [0.34, 0.76]26 studies · 1779 participantsVery low
Portosystemic shunts vs endoscopic intervention with or without medical treatment
Acute hepatic encephalopathy · participants with cirrhosis and with previous oesophagogastric variceal bleeding
Portosystemic shunts versus endoscopic intervention with or without medical treatment for prevention of… (2020) · Cochrane
RR 1.6 [1.33, 1.92]24 studies · 1649 participantsVery low
Portosystemic shunts vs endoscopic intervention with or without medical treatment
Chronic hepatic encephalopathy · participants with cirrhosis and with previous oesophagogastric variceal bleeding
Portosystemic shunts versus endoscopic intervention with or without medical treatment for prevention of… (2020) · Cochrane
RR 2.51 [1.38, 4.55]13 studies · 956 participantsVery low
Total shunt vs endoscopic intervention
All‐cause mortality · participants with cirrhosis and with previous oesophagogastric variceal bleeding
Portosystemic shunts versus endoscopic intervention with or without medical treatment for prevention of… (2020) · Cochrane
RR 0.46 [0.19, 1.13]3 studies · 164 participantsVery low
Total shunt vs endoscopic intervention
Rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding
Portosystemic shunts versus endoscopic intervention with or without medical treatment for prevention of… (2020) · Cochrane
RR 0.28 [0.14, 0.56]2 studies · 127 participantsVery low
Total shunt vs endoscopic intervention
Health‐related quality of life · participants with cirrhosis and with previous oesophagogastric variceal bleeding
Portosystemic shunts versus endoscopic intervention with or without medical treatment for prevention of… (2020) · Cochrane
no estimate extractedNRNo studies
Percutaneous ethanol injection vs no intervention, other ablation methods, or systemic treatment
Mortality at last · patients with liver metastases
Percutaneous ethanol injection for liver metastases (2020) · Cochrane
RR 0.69 [0.36, 1.33]1 study · 48 participantsVery low
Percutaneous ethanol injection vs no intervention, other ablation methods, or systemic treatment
Time to mortality · patients with liver metastases
Percutaneous ethanol injection for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Percutaneous ethanol injection vs no intervention, other ablation methods, or systemic treatment
Health‐related quality of life · patients with liver metastases
Percutaneous ethanol injection for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Percutaneous ethanol injection vs no intervention, other ablation methods, or systemic treatment
Failure to clear liver metastases or recurrence of liver metastases · patients with liver metastases
Percutaneous ethanol injection for liver metastases (2020) · Cochrane
RR 0.41 [0.15, 1.15]1 study · 48 participantsVery low
Percutaneous ethanol injection vs no intervention, other ablation methods, or systemic treatment
Time to progression of liver metastases · patients with liver metastases
Percutaneous ethanol injection for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Percutaneous ethanol injection vs no intervention, other ablation methods, or systemic treatment
Tumour response measures · patients with liver metastases
Percutaneous ethanol injection for liver metastases (2020) · Cochrane
no estimate extracted1 study · 48 participantsVery low
Percutaneous ethanol injection vs no intervention, other ablation methods, or systemic treatment
Serious adverse events and complications · patients with liver metastases
Percutaneous ethanol injection for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial embolisation and transarterial chemoembolisation vs no intervention
Mortality at 44 months from trial entry Number of participants · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
RR 0.88 [0.74, 1.06]1 study · 61 participantsVery low
Transarterial embolisation vs no intervention
Failure to clear liver metastases or recurrence of liver metastases · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 42 participantsVery low
Transarterial embolisation vs no intervention
Time to progression of liver metastases · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial embolisation vs no intervention
Tumour response measures · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial embolisation vs no intervention
Health‐related quality of life · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial embolisation vs no intervention
Adverse events and complications · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 42 participantsVery low
Transarterial chemoembolisation vs no intervention
Mortality at 44 months from trial entry Number of participants · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
RR 0.83 [0.65, 1.07]1 study · 39 participantsVery low
Transarterial chemoembolisation vs no intervention
Survival time Median (range) survival time after trial entry Survival time Median (range) survival time from diagnosis · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 39 participantsVery low
Transarterial chemoembolisation vs no intervention
Failure to clear liver metastases or recurrence of liver metastases · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 39 participantsVery low
Transarterial chemoembolisation vs no intervention
Time to progression of liver metastases · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial chemoembolisation vs no intervention
Tumour response measures · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial embolisation and transarterial chemoembolisation vs no intervention
Survival time Median (range) survival time after trial entry Survival time Median (range) survival time from diagnosis · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 61 participantsVery low
Transarterial chemoembolisation vs no intervention
Health‐related quality of life · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial chemoembolisation vs no intervention
Adverse events and complications · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 39 participantsVery low
Transarterial embolisation and transarterial chemoembolisation vs no intervention
Failure to clear liver metastases or recurrence of liver metastases · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 61 participantsVery low
Transarterial embolisation and transarterial chemoembolisation vs no intervention
Time to progression of liver metastases · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial embolisation and transarterial chemoembolisation vs no intervention
Tumour response measures · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial embolisation and transarterial chemoembolisation vs no intervention
Health‐related quality of life · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extractedNRNo studies
Transarterial embolisation and transarterial chemoembolisation vs no intervention
Adverse events and complications · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 61 participantsVery low
Transarterial embolisation vs no intervention
Mortality at 44 months from trial entry Number of participants · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
RR 0.91 [0.75, 1.1]1 study · 42 participantsVery low
Transarterial embolisation vs no intervention
Survival time Median (range) survival time after trial entry Survival time Median (range) survival time from diagnosis · people with liver metastases
Transarterial (chemo)embolisation versus no intervention or placebo for liver metastases (2020) · Cochrane
no estimate extracted1 study · 42 participantsVery low
Radioembolisation plus sorafenib vs sorafenib monotherapy
All‐cause mortality at 1 year · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extractedNRNo studies
Radioembolisation vs sorafenib
Serious adverse events · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extracted1 study · 360 participantsVery low
Radioembolisation vs sorafenib
Cancer‐related mortality · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extractedNRNo studies
Radioembolisation vs sorafenib
Time to progression of the tumour (median time to progression) · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extracted1 study · 360 participantsVery low
Radioembolisation vs sorafenib
Disease control rate · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
RR 0.94 [0.84, 1.05]2 studies · 748 participantsVery low
Radioembolisation vs sorafenib
Non‐serious adverse events (hand‐foot skin reaction) · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
RR 0.02 [0, 0.06]2 studies · 734 participantsLow
Radioembolisation vs chemoembolisation
All‐cause mortality at 1 year · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extractedNRNo studies
Radioembolisation vs chemoembolisation
Health‐related quality of life · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extracted1 study · 28 participantsVery low
Radioembolisation vs chemoembolisation
Serious adverse events · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
RR 1.443 studies · 97 participantsVery low
Radioembolisation vs chemoembolisation
Cancer‐related mortality · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extractedNRNo studies
Radioembolisation vs chemoembolisation
Time to progression of the tumour (median time to progression) · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extracted3 studies · 97 participantsVery low
Radioembolisation plus sorafenib vs sorafenib monotherapy
Health‐related quality of life · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extractedNRNo studies
Radioembolisation vs chemoembolisation
Disease control rate · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extracted3 studies · 97 participantsVery low
Radioembolisation vs chemoembolisation
Non‐serious adverse events · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extracted3 studies · 97 participantsVery low
Radioembolisation plus sorafenib vs sorafenib monotherapy
Serious adverse events · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extracted1 study · 341 participantsVery low
Radioembolisation plus sorafenib vs sorafenib monotherapy
Cancer‐related mortality · people with hepatocellular carcinoma
Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma (2020) · Cochrane
no estimate extractedNRNo studies