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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
Non‐serious systemic adverse events (low risk of bias) inactivated HAV vaccine ICH‐GCP 1997 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
RR 1.09 [0.67, 1.78]3 studies · 1299 participantsHigh
Intervention NR
Non‐serious systemic adverse events (all included studies) inactivated HAV vaccine ICH‐GCP 1997 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
RR 0.98 [0.68, 1.41]4 studies · 1599 participantsLow
Intervention NR
Non‐serious local adverse events (low risk of bias) live attenuated HAV vaccine ICH‐GCP 1997 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐serious local adverse events (all included studies) live attenuated HAV vaccine ICH‐GCP 1997 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Clinically apparent hepatitis A (inactivated HAV vaccines) all included trials Dienstag 1999 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
RR 0.12 [0.05, 0.31]4 studies · 41690 participantsLow
Intervention NR
Non‐serious systemic adverse events (low risk of bias) live attenuated HAV vaccine ICH‐GCP 1997 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐serious systemic adverse events (all included studies) live attenuated HAV vaccine ICH‐GCP 1997 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Clinically apparent hepatitis A (live attenuated HAV vaccines) low risk of bias Dienstag 1999 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Clinically apparent hepatitis A (live attenuated HAV vaccines) all included trials Dienstag 1999 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
RR 0.07 [0.03, 0.17]5 studies · 690690 participantsVery low
Intervention NR
Clinically apparent hepatitis A (Dose of live attenuated HAV vaccine, titre >= TCID50 ) low risk of bias Dienstag 1999 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Clinically apparent hepatitis A (Dose of live attenuated HAV vaccine, titre >= TCID50 ) all included trials Dienstag 1999 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
RR 0.03 [0.02, 0.06]2 studies · 62270 participantsVery low
Intervention NR
Clinically apparent hepatitis A (Dose of live attenuated HAV vaccine, titre < TCID50 ) low risk of bias Dienstag 1999 · patients with preventing hepatitis A.
Hepatitis A immunisation in persons not previously exposed to hepatitis A (2012) · Cochrane
no estimate extractedNRNo studies
Bezafibrate vs no intervention
All‐cause mortality · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
RD 03 studies · 60 participantsVery low
Bezafibrate vs ursodeoxycholic acid
Adverse events · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
RR 6.19 [0.31, 122.05]2 studies · 69 participantsVery low
Bezafibrate vs ursodeoxycholic acid
Serum alkaline phosphatases (U/L) · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
no estimate extracted2 studies · 48 participantsModerate
Bezafibrate vs no intervention
Liver morbidity · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
RD 03 studies · 60 participantsVery low
Bezafibrate vs no intervention
Adverse events · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
RR 5.4 [0.69, 42.32]3 studies · 60 participantsVery low
Bezafibrate vs no intervention
Serum alkaline phosphatases (U/L) · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
no estimate extracted4 studies · 79 participantsLow
Bezafibrate vs no intervention
Serum alkaline phosphatases (U/L) ‐ duration of administration 6 months · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
no estimate extracted2 studies · 38 participantsVery low
Bezafibrate vs no intervention
Serum alkaline phosphatases (U/L) ‐ duration of administration 12 to 13 months · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
no estimate extracted2 studies · 41 participantsLow
Bezafibrate vs no intervention
Serum bilirubin (mg/dl) · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
no estimate extracted2 studies · 34 participantsVery low
Bezafibrate vs ursodeoxycholic acid
All‐cause mortality · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
RD 02 studies · 69 participantsVery low
Bezafibrate vs ursodeoxycholic acid
Liver morbidity · patients with primary biliary cirrhosis.
Bezafibrate for primary biliary cirrhosis (2012) · Cochrane
RD 02 studies · 69 participantsVery low
Intervention vs comparison
Mortality ‐ Antibiotics versus no antibiotics · patients undergoing liver resections
Methods of decreasing infection to improve outcomes after liver resections (2011) · Cochrane
no estimate extracted1 study · 127 participantsVery low
Intervention vs comparison
Mortality ‐ Long duration antibiotics versus short duration antibiotics · patients undergoing liver resections
Methods of decreasing infection to improve outcomes after liver resections (2011) · Cochrane
no estimate extracted1 study · 180 participantsVery low
Intervention vs comparison
Mortality ‐ Prebiotics and probiotics versus none · patients undergoing liver resections
Methods of decreasing infection to improve outcomes after liver resections (2011) · Cochrane
no estimate extracted1 study · 44 participantsVery low
Intervention vs comparison
Mortality ‐ Pre‐operative and post‐operative prebiotics and probiotics versus post‐operative prebiotics and probiotics · patients undergoing liver resections
Methods of decreasing infection to improve outcomes after liver resections (2011) · Cochrane
no estimate extracted1 study · 81 participantsVery low
Intervention vs comparison
Mortality ‐ Topical povidone iodine gel versus no topical povidone iodine gel · patients undergoing liver resections
Methods of decreasing infection to improve outcomes after liver resections (2011) · Cochrane
RR 1.35 [0.24, 7.53]1 study · 59 participantsVery low
Intervention vs control
60‐day mortality ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.52 [0.18, 1.45]3 studies · 280 participantsVery low
Intervention vs control
Thromboembolic episodes ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 1.38 [0.65, 2.91]2 studies · 266 participantsVery low
Intervention vs control
Serious adverse events ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 1.3 [0.94, 1.78]2 studies · 266 participantsVery low
Intervention vs control
Blood loss ‐ Aprotinin versus control (litre) · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted3 studies · 195 participantsVery low
Intervention vs control
Blood loss ‐ Tranexamic acid versus control (litre) · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 65 participantsVery low
Intervention vs control
Blood loss ‐ Thromboelastography versus control (litre) · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 62 participantsVery low
Intervention vs control
Blood loss ‐ Tranexamic acid versus aprotinin · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 71 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted8 studies · 375 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Tranexamic acid versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted4 studies · 159 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 221 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Thromboelastography versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted2 studies · 62 participantsVery low
Intervention vs control
60‐day mortality ‐ Tranexamic acid versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.55 [0.17, 1.76]3 studies · 139 participantsVery low
Intervention vs control
Red cell or whole blood transfusion ‐ Tranexamic acid versus aprotinin · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
no estimate extracted3 studies · 198 participantsVery low
Intervention vs control
60‐day mortality ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 1.51 [0.33, 6.95]3 studies · 286 participantsVery low
Intervention vs control
60‐day mortality ‐ Tranexamic acid versus aprotinin · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 4.12 [0.71, 23.76]2 studies · 178 participantsVery low
Intervention vs control
Primary graft non‐function ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.15 [0.02, 1.25]2 studies · 217 participantsVery low
Intervention vs control
Retransplantation ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.21 [0.02, 1.79]2 studies · 217 participantsVery low
Intervention vs control
Retransplantation ‐ Tranexamic acid versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.79 [0.18, 3.48]2 studies · 77 participantsVery low
Intervention vs control
Thromboembolic episodes ‐ Aprotinin versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 0.6 [0.18, 1.96]3 studies · 280 participantsVery low
Intervention vs control
Thromboembolic episodes ‐ Tranexamic acid versus control · Patients with liver transplantation.
Methods to decrease blood loss and transfusion requirements for liver transplantation (2011) · Cochrane
RR 2.2 [0.38, 12.64]5 studies · 179 participantsVery low
Bisphosphonates vs placebo or no intervention
All‐cause mortality · patients with primary biliary cirrhosis.
Bisphosphonates for osteoporosis in primary biliary cirrhosis (2011) · Cochrane
RD 02 studies · 46 participantsVery low
Bisphosphonates vs another bisphosphonate
Adverse events · patients with primary biliary cirrhosis.
Bisphosphonates for osteoporosis in primary biliary cirrhosis (2011) · Cochrane
RR 0.95 [0.31, 2.94]2 studies · 62 participantsVery low