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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
Intervention NR
Beta‐blockers + variceal band ligation(1 RCT, 140 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
no estimate extractedNRVery low
Intervention NR
No active intervention(1 RCT, 161 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.36 [0.35, 5.8]NRVery low
Intervention NR
Variceal band ligation(5 RCTs, 380 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.41 [0.83, 2.43]NRVery low
Intervention NR
No active intervention(1 RCT, 140 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.14 [0.56, 2.4]NRVery low
Intervention NR
Variceal band ligation(3 RCTs, 330 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 0.8 [0.47, 1.36]NRVery low
Intervention NR
Sclerotherapy(1 RCT, 141 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 0.91 [0.44, 1.95]NRVery low
Intervention NR
Nitrates(1 RCT, 118 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.27 [0.61, 2.66]NRVery low
Intervention NR
Beta‐blockers + sclerotherapy(1 RCT, 141 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 0.92 [0.41, 2.08]NRVery low
Intervention NR
No active intervention(2 RCTs, 208 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 2.71 [0.97, 7.68]NRVery low
Intervention NR
No active intervention(10 RCTs, 1200 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 2.04 [1.5, 2.78]NRLow
Intervention NR
Variceal band ligation(9 RCTs, 879 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 0.72 [0.33, 1.51]NRVery low
Intervention NR
Sclerotherapy(3 RCTs, 175 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.02 [0.33, 3.27]NRVery low
Intervention NR
Beta‐blockers + variceal band ligation(1 RCT, 173 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 0.21 [0.04, 0.71]NRLow
Intervention NR
Nitrates(1 RCT, 52 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 6.4 [1.58, 47.42]NRLow
Intervention NR
Variceal band ligation(2 RCTs, 130 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
no estimate extractedNRVery low
Intervention NR
Variceal band ligation(17 RCTs, 1640 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.05 [0.8, 1.38]NRVery low
Intervention NR
Sclerotherapy(5 RCTs, 320 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.35 [0.95, 1.92]NRVery low
Intervention NR
Beta‐blockers + variceal band ligation(2 RCTs, 313 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.11 [0.56, 2.19]NRVery low
Intervention NR
Beta‐blockers + nitrates(2 RCTs, 203 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 0.84 [0.44, 1.64]NRVery low
Intervention NR
Nitrates(3 RCTs, 298 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 1.19 [0.66, 2.11]NRVery low
Intervention NR
Beta‐blockers + sclerotherapy(2 RCTs, 167 participants) · people with liver cirrhosis and oesophageal varices with no history of bleeding
Primary prevention of variceal bleeding in people with oesophageal varices due to liver cirrhosis: a network… (2021) · Cochrane
HR 2.08 [1.03, 4.08]NRLow
Intervention NR
Interventions · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Sclerotherapy plus Variceal band ligation(No direct RCT) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.78 [0.35, 1.76]NRLow
Intervention NR
Beta‐blockers plus Nitrates plus Variceal band ligation(No direct RCT) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.89 [0.4, 1.98]NRLow
Intervention NR
Beta‐blockers plus Variceal band ligation(No direct RCT) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.83 [0.22, 3.05]NRLow
Intervention NR
Sclerotherapy plus Nitrates(1 RCT; 76 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.19 [0.02, 0.86]NRModerate
Intervention NR
Beta‐blockers(1 RCT; 91 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
OR 0.47 [0.13, 1.53]NRVery low
Intervention NR
Variceal band ligation(1 RCT; 100 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
OR 0.19 [0.06, 0.53]NRLow
Intervention NR
Beta‐blockers plus Sclerotherapy(No direct RCT) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
OR 1.29 [0.28, 5.7]NRVery low
Intervention NR
Beta‐blockers(No direct RCT) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
OR 11.86 [1.16, 427.95]NRLow
Intervention NR
Variceal band ligation(3 RCTs; 215 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
OR 0.39 [0.16, 1.09]NRLow
Intervention NR
Beta‐blockers plus Sclerotherapy(2 RCTs; 71 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
OR 1.46 [0.36, 6.06]NRLow
Intervention NR
Sclerotherapy · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
No active intervention(1 RCT; 40 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
OR 0.22 [0.05, 0.86]NRLow
Intervention NR
TIPS(No direct RCT) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
OR 0.02 [0, 0.17]NRLow
Intervention NR
Variceal band ligation(2 RCTs; 188 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
Rate ratio 0.4 [0.26, 0.61]NRModerate
Intervention NR
Beta‐blockers plus Sclerotherapy(2 RCTs; 128 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
Rate ratio 0.93 [0.68, 1.26]NRLow
Intervention NR
TIPS(1 RCT; 63 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
Rate ratio 1.1 [0.73, 1.66]NRLow
Intervention NR
Portocaval shunt(1 RCT; 45 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
Rate ratio 0.87 [0.34, 2.28]NRLow
Intervention NR
Variceal band ligation(1 RCT; 111 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.94 [0.03, 35.27]NRVery low
Intervention NR
Beta‐blockers plus Sclerotherapy(1 RCT; 40 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 1.26 [0.17, 10.1]NRVery low
Intervention NR
TIPS(1 RCT; 80 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 1.52 [0.39, 6.6]NRVery low
Intervention NR
Beta‐blockers(1 RCT; 28 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.46 [0, 43.25]NRVery low
Intervention NR
Beta‐blockers(9 RCTs; 493 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.88 [0.66, 1.18]NRLow
Intervention NR
No active intervention(No direct RCT) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 1.19 [0, 1726.76]NRVery low
Intervention NR
Beta‐blockers(6 RCTs; 420 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 1.62 [1.14, 2.38]NRModerate
Intervention NR
Variceal band ligation(2 RCTs; 111 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 1.61 [0.72, 3.77]NRLow
Intervention NR
Beta‐blockers plus sclerotherapy(4 RCTs; 231 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.6 [0.37, 0.95]NRModerate
Intervention NR
No active intervention(3 RCTs; 296 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 1.61 [1.01, 2.86]NRModerate
Intervention NR
TIPS(2 RCTs; 109 participants) · people with liver cirrhosis and previous oesophageal variceal bleeding
Secondary prevention of variceal bleeding in adults with previous oesophageal variceal bleeding due to… (2021) · Cochrane
HR 0.18 [0.08, 0.38]NRModerate