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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. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.

Limit to evidence status or GRADE (optional)

75,239 questions in 5,342 reviews

current versions
No studies 15,213 · 20.2%Ungraded 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 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
Postoperative enteral nutrition (Osmolite) via nasojejunal tube vs postoperative parenteral nutrition (PN)
Infection (overall) · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 1.07 [0.12, 8.75]1 study · 24 participantsVery low
Enteral nutrition via nasojejunal tube plus intravenous glutamine‐dipeptide supplementation vs standard parenteral nutrition
Death (during length of initial hospital stay; ITT) · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 30 participantsVery low
Enteral nutrition via nasojejunal tube plus intravenous glutamine‐dipeptide supplementation vs standard parenteral nutrition
Infection (ITT) ‐ mycotic infection · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 0.19 [0.02, 1.31]1 study · 30 participantsVery low
Enteral nutrition via nasojejunal tube plus intravenous glutamine‐dipeptide supplementation vs standard parenteral nutrition
Infection (ITT) ‐ infection (overall) · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 0.35 [0.06, 1.84]1 study · 30 participantsVery low
Enteral nutrition via nasojejunal tube plus intravenous glutamine‐dipeptide supplementation vs standard parenteral nutrition
Acute rejection (ITT) · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 0.21 [0.004, 2.49]1 study · 30 participantsVery low
Enteral nutrition via nasojejunal tube plus intravenous glutamine‐dipeptide supplementation vs standard parenteral nutrition
Length of hospital stay after liver transplantation [days] (ITT) · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 30 participantsVery low
Enteral nutrition via nasojejunal tube plus intravenous glutamine‐dipeptide supplementation vs standard parenteral nutrition
Intensive care unit length of stay after liver transplantation [days] (ITT) · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 30 participantsVery low
Enteral nutrition via nasojejunal tube plus intravenous glutamine‐dipeptide supplementation vs standard parenteral nutrition
Days on ventilator (ITT) · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 30 participantsVery low
Parenteral nutrition with protein, fat, carbohydrates and branched‐chain amino acids vs 5% dextrose and normal saline
1‐year‐survival · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 0.61 [0.05, 5.94]1 study · 43 participantsVery low
Hepatic product (HepaticAid) vs diet only (without supplement)
New onset of diabetes · adult patients with malnutrition and encephalopathy before and after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 22 participantsVery low
Parenteral nutrition with protein, fat, carbohydrates and branched‐chain amino acids vs 5% dextrose and normal saline
3‐year‐survival · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 0.93 [0.23, 3.81]1 study · 43 participantsVery low
Parenteral nutrition with alanyl‐glutamine, protein, fat, carbohydrates and branched‐chain amino acids vs 5% dextrose and normal saline
1‐year‐survival · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 0.29 [5e-04, 4.03]1 study · 43 participantsVery low
Parenteral nutrition with alanyl‐glutamine, protein, fat, carbohydrates and branched‐chain amino acids vs 5% dextrose and normal saline
3‐year‐survival · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 0.76 [0.18, 3.18]1 study · 43 participantsVery low
Parenteral nutrition plus branched‐chain‐amino‐acid‐enriched formula vs standard isotonic intravenous glucose solution
Length of hospital stay after liver transplantation [days] · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 20 participantsLow
Parenteral nutrition plus branched‐chain‐amino‐acid‐enriched formula vs standard isotonic intravenous glucose solution
Length of stay in intensive care unit after liver transplantation [days] · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 20 participantsLow
Parenteral nutrition plus branched‐chain‐amino‐acid‐enriched formula vs standard isotonic intravenous glucose solution
Days on ventilator · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 20 participantsLow
Parenteral nutrition plus branched‐chain‐amino‐acid‐enriched formula vs standard isotonic intravenous glucose solution
Mortality [within first 10 weeks after liver transplantation] · adult patients after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 0.46 [0.01, 10.51]1 study · 20 participantsLow
Standard parenteral nutrition vs standard isotonic intravenous glucose solution
Length of stay after liver transplantation [days] · adult patients after liver transplantation
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 18 participantsLow
Standard parenteral nutrition vs standard isotonic intravenous glucose solution
Days on ventilator · adult patients after liver transplantation
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 18 participantsLow
Standard parenteral nutrition vs standard isotonic intravenous glucose solution
Length of hospital stay after liver transplantation [days] · adult patients after liver transplantation
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 18 participantsLow
Hepatic product (HepaticAid) vs diet only (without supplement)
Length of stay in hospital after liver transplantation · adult patients with malnutrition and encephalopathy before and after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 22 participantsVery low
Standard parenteral nutrition vs standard isotonic intravenous glucose solution
Mortality [within first 10 weeks after liver transplantation] · adult patients after liver transplantation
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 18 participantsLow
Parenteral nutrition with omega‐3 fish oil vs standard parenteral nutrition
Length of hospital stay after liver transplantation (days) · adult patients after liver transplantation
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 36 participantsVery low
Parenteral nutrition with omega‐3 fish oil vs standard parenteral nutrition
Length of stay in intensive care unit after liver transplantation (days) · adult patients after liver transplantation
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 36 participantsVery low
Parenteral nutrition with omega‐3 fish oil vs standard parenteral nutrition
Acute rejection episodes · adult patients after liver transplantation
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
OR 1 [0.17, 5.77]1 study · 36 participantsVery low
Parenteral nutrition with omega‐3 fish oil vs standard parenteral nutrition
Mortality · adult patients after liver transplantation
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 36 participantsVery low
Hepatic product (HepaticAid) vs diet only (without supplement)
Hepatic encephalopathy related hospitalisation · adult patients with malnutrition and encephalopathy before and after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 15 participantsVery low
Hepatic product (HepaticAid) vs diet only (without supplement)
Changes in grade of hepatic encephalopathy [grade 0‐4] · adult patients with malnutrition and encephalopathy before and after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 15 participantsVery low
Standard casein product (Ensure) vs diet only (without supplement)
Re‐hospitalisation post liver transplantation [event per patient] · adult patients with malnutrition and encephalopathy before and after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 24 participantsVery low
Standard casein product (Ensure) vs diet only (without supplement)
Infections [event per patient] · adult patients with malnutrition and encephalopathy before and after liver transplantation.
Nutritional interventions for liver‐transplanted patients (2012) · Cochrane
no estimate extracted1 study · 24 participantsVery low
Interventions designed to improve any type of continuity vs usual care
Functional status Multiple scales. Scale from: 0 to 100. · cancer patients
Interventions to improve continuity of care in the follow‐up of patients with cancer (2012) · Cochrane
no estimate extracted16 studies · 3966 participantsVery low
Interventions designed to improve any type of continuity vs usual care
Physical status Multiple scales. Scale from: 0 to 100. · cancer patients
Interventions to improve continuity of care in the follow‐up of patients with cancer (2012) · Cochrane
no estimate extracted25 studies · 5070 participantsVery low
Interventions designed to improve any type of continuity vs usual care
Psychological status Multiple scales. Scale from: 0 to 100. · cancer patients
Interventions to improve continuity of care in the follow‐up of patients with cancer (2012) · Cochrane
no estimate extracted20 studies · 4634 participantsVery low
Interventions designed to improve any type of continuity vs usual care
Social needs Multiple scales. Scale from: 0 to 100. · cancer patients
Interventions to improve continuity of care in the follow‐up of patients with cancer (2012) · Cochrane
no estimate extracted8 studies · 1278 participantsVery low
Interventions designed to improve any type of continuity vs usual care
Satisfaction Multiple scales. Scale from: 0 to 100. · cancer patients
Interventions to improve continuity of care in the follow‐up of patients with cancer (2012) · Cochrane
no estimate extracted2 studies · 378 participantsVery low
Interventions designed to improve any type of continuity vs usual care
Global quality of life Multiple scales. Scale from: 0 to 100. · cancer patients
Interventions to improve continuity of care in the follow‐up of patients with cancer (2012) · Cochrane
no estimate extracted10 studies · 2622 participantsVery low
Interactive computer intervention vs usual care
Health‐related quality of life · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extractedNRNo studies
Interactive computer intervention vs in‐person interventions
Weight regain (change in kg weight) · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extracted3 studies · 955 participantsModerate
Interactive computer intervention vs in‐person interventions
Physical‐activity related outcomes · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extractedNRNo studies
Interactive computer intervention vs in‐person interventions
Cost‐effectiveness · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extracted1 study · 62 participantsUngraded
Interactive computer intervention vs usual care
Adverse effects · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extractedNRNo studies
Interactive computer intervention vs usual care
Weight loss (change in kg weight) · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extracted2 studies · 511 participantsModerate
Interactive computer intervention vs usual care
Weight regain (change in kg weight) · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extracted3 studies · 1004 participantsModerate
Interactive computer intervention vs usual care
Physical‐activity related outcomes · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extractedNRNo studies
Interactive computer intervention vs usual care
Cost‐effectiveness · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extractedNRNo studies
Interactive computer intervention vs in‐person interventions
Health‐related quality of life · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extractedNRNo studies
Interactive computer intervention vs in‐person interventions
Adverse effects · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extractedNRNo studies
Interactive computer intervention vs in‐person interventions
Weight loss (change in kg weight) · adults with overweight or obesity
Interactive computer‐based interventions for weight loss or weight maintenance in overweight or obese people (2012) · Cochrane
no estimate extracted1 study · 319 participantsModerate
Intervention NR
Overall survival · Adult patients with follicular lymphoma
High‐dose therapy with autologous stem cell transplantation versus chemotherapy or immuno‐chemotherapy for… (2012) · Cochrane
HR 0.97 [0.76, 1.22]3 studies · 701 participantsModerate
Intervention NR
Treatment‐related mortality · Adult patients with follicular lymphoma
High‐dose therapy with autologous stem cell transplantation versus chemotherapy or immuno‐chemotherapy for… (2012) · Cochrane
RR 1.28 [0.25, 6.61]4 studies · 941 participantsModerate