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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)

2,395 questions in 172 reviews · Gut

current versions
No studies 420 · 17.5%Ungraded 60 · 2.5%Very low 821 · 34.3%Low 602 · 25.1%Moderate 397 · 16.6%High 95 · 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
One‐food elimination diet vs six‐food elimination diet
Histological improvement at 6 weeks (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 0.85 [0.54, 1.33]1 study · 129 participantsVery low
One‐food elimination diet vs six‐food elimination diet
Histological improvement at 6 weeks (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 129 participantsVery low
One‐food elimination diet vs six‐food elimination diet
Endoscopic improvement at study endpoint (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
One‐food elimination diet vs six‐food elimination diet
Endoscopic improvement at 6 weeks (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 129 participantsVery low
Corticosteroids vs placebo
Withdrawals due to adverse events (2 to 12 weeks) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 0.64 [0.43, 0.96]14 studies · 1032 participantsLow
One‐food elimination diet vs six‐food elimination diet
Withdrawals due to adverse events · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 0.62 [0.11, 3.57]1 study · 129 participantsVery low
Four‐food elimination diet with omeprazole vs omeprazole
Clinical improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Four‐food elimination diet with omeprazole vs omeprazole
Clinical improvement (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Four‐food elimination diet with omeprazole vs omeprazole
Histological improvement at 8 to 12 weeks (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 1.57 [0.99, 2.48]1 study · 64 participantsVery low
Four‐food elimination diet with omeprazole vs omeprazole
Histological improvement at 8 to 12 weeks (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 58 participantsVery low
Four‐food elimination diet with omeprazole vs omeprazole
Endoscopic improvement at study endpoint (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Four‐food elimination diet with omeprazole vs omeprazole
Endoscopic improvement at study endpoint (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Four‐food elimination diet with omeprazole vs omeprazole
Withdrawals due to adverse events at 8 to 12 weeks · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 5 [0.62, 40.44]1 study · 64 participantsVery low
Four‐food elimination and amino acid formula vs four‐food elimination diet
Clinical improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Four‐food elimination and amino acid formula vs four‐food elimination diet
Clinical improvement (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 41 participantsVery low
Corticosteroids vs placebo
Clinical improvement (dichotomous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 2.17 [0.75, 6.27]2 studies · 252 participantsVery low
Four‐food elimination and amino acid formula vs four‐food elimination diet
Histological improvement at 6 weeks (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 1.9 [0.79, 4.6]1 study · 41 participantsVery low
Four‐food elimination and amino acid formula vs four‐food elimination diet
Histological improvement at 6 weeks (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 41 participantsVery low
Four‐food elimination and amino acid formula vs four‐food elimination diet
Endoscopic improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Four‐food elimination and amino acid formula vs four‐food elimination diet
Endoscopic improvement at study endpoint (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 41 participantsVery low
Four‐food elimination and amino acid formula vs four‐food elimination diet
Withdrawals due to adverse events at 6 weeks · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 0.95 [0.06, 14.22]1 study · 41 participantsVery low
Nebulized budesonide vs viscous budesonide
Clinical improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Nebulized budesonide vs viscous budesonide
Clinical improvement at 8 weeks (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 22 participantsVery low
Nebulized budesonide vs viscous budesonide
Histological improvement at 8 weeks (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Nebulized budesonide vs viscous budesonide
Histological improvement at 8 weeks (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 22 participantsVery low
Nebulized budesonide vs viscous budesonide
Endoscopic improvement (dichotomous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 25 participantsVery low
Corticosteroids vs placebo
Clinical improvement (continuous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted3 studies · 269 participantsVery low
Nebulized budesonide vs viscous budesonide
Endoscopic improvement (continuous) · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Nebulized budesonide vs viscous budesonide
Withdrawals due to adverse events at 8 weeks · active EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 25 participantsVery low
Viaskin milk patch vs placebo
Clinical improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Viaskin milk patch vs placebo
Clinical improvement at 44 weeks (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 9 participantsLow
Viaskin milk patch vs placebo
Histological improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Viaskin milk patch vs placebo
Histological improvement at 44 weeks (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 9 participantsLow
Viaskin milk patch vs placebo
Endoscopic improvement (dichotomous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extractedNRNo studies
Viaskin milk patch vs placebo
Endoscopic improvement at 44 weeks (continuous) · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
no estimate extracted1 study · 20 participantsLow
Viaskin milk patch vs placebo
Withdrawals due to adverse events at 44 weeks · active EoE pediatric patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 1.12 [0.05, 23.99]1 study · 20 participantsLow
Leukotriene receptor antagonist vs placebo
Clinical improvement at 26 weeks (dichotomous) · inactive EoE patients
Medical treatment of eosinophilic esophagitis (2023) · Cochrane
RR 1.68 [0.66, 4.28]1 study · 41 participantsVery low
Omeprazole vs placebo
Improvement in symptoms in infants · infants with GORD
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extracted1 study · 30 participantsVery low
Esomeprazole vs placebo
Adverse events ‐ not reported · GORD in infants
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extractedNRNo studies
Esomeprazole vs placebo
pH indices ‐ not measured · GORD in infants
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extractedNRNo studies
Esomeprazole vs placebo
Endoscopic metrics ‐ not measured · GORD in infants
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extractedNRNo studies
Rabeprazole at higher doses (1 mg/kg) vs rabeprazole at lower doses (0.5 mg/kg)
Improvement in symptoms · GORD in children over 1 year of age
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extracted1 study · 127 participantsVery low
Rabeprazole at higher doses (1 mg/kg) vs rabeprazole at lower doses (0.5 mg/kg)
Adverse events · GORD in children over 1 year of age
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extracted1 study · 127 participantsVery low
Rabeprazole at higher doses (1 mg/kg) vs rabeprazole at lower doses (0.5 mg/kg)
Improvement in endoscopic appearances · GORD in children over 1 year of age
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extracted1 study · 127 participantsVery low
Rabeprazole at higher doses (1 mg/kg) vs rabeprazole at lower doses (0.5 mg/kg)
pH indices ‐ not measured · GORD in children over 1 year of age
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extractedNRNo studies
Pantoprazole in higher doses (1.2 mg/kg) vs pantoprazole at lower doses (0.3 mg/kg)
Improvement in symptoms · GORD in children over 1 year of age
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Pantoprazole in higher doses (1.2 mg/kg) vs pantoprazole at lower doses (0.3 mg/kg)
Adverse events · GORD in children over 1 year of age
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extracted1 study · 60 participantsVery low
Pantoprazole in higher doses (1.2 mg/kg) vs pantoprazole at lower doses (0.3 mg/kg)
Improvement in pH indices ‐ not measured · GORD in children over 1 year of age
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extractedNRNo studies
Omeprazole vs placebo
Adverse events ‐ not reported · infants with GORD
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extractedNRNo studies
Pantoprazole in higher doses (1.2 mg/kg) vs pantoprazole at lower doses (0.3 mg/kg)
Improvement in endoscopic metrics ‐ not measured · GORD in children over 1 year of age
Pharmacological treatment of gastro‐oesophageal reflux in children (2023) · Cochrane
no estimate extractedNRNo studies