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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)

15,213 questions in 2,394 reviews

current versions
No studies 15,213 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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
Summary of findings table ‐ Endoscopic sphincterotomy vs endoscopic papillary balloon dilation
All‐cause mortality (or overall survival) ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Endoscopic sphincterotomy vs endoscopic papillary balloon dilation
Proportion of participants with ≥ 1 non‐serious adverse events ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Biliary endoscopic sphincterotomy vs dual endoscopic sphincterotomy
Proportion of participants with ≥ 1 serious adverse events ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Biliary endoscopic sphincterotomy vs dual endoscopic sphincterotomy
Health‐related quality of life ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Biliary endoscopic sphincterotomy vs dual endoscopic sphincterotomy
All‐cause mortality (or overall survival) ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Biliary endoscopic sphincterotomy vs dual endoscopic sphincterotomy
Proportion of participants with ≥ 1 non‐serious adverse events ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Endoscopic sphincterotomy vs sham treatment
All‐cause mortality (or overall survival) ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Endoscopic sphincterotomy vs sham treatment
Proportion of participants with ≥ 1 non‐serious adverse events ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Endoscopic sphincterotomy vs endoscopic papillary balloon dilation
Proportion of participants without successful treatment ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Endoscopic sphincterotomy vs endoscopic papillary balloon dilation
Health‐related quality of life ‐ not reported · adults with biliary sphincter of Oddi dysfunction
Endoscopic sphincterotomy for adults with biliary sphincter of Oddi dysfunction (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Antibiotics vs other antibiotics
Serious adverse events ‐ not reported · farmworkers
Antibiotic prophylaxis for leptospirosis (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Antibiotics vs other antibiotics
Quality of life ‐ not reported · farmworkers
Antibiotic prophylaxis for leptospirosis (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Antibiotics vs placebo or no intervention
Serious adverse events ‐ not reported · farmworkers, soldiers, and people in endemic areas
Antibiotic prophylaxis for leptospirosis (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Antibiotics vs placebo or no intervention
Quality of life ‐ not reported · farmworkers, soldiers, and people in endemic areas
Antibiotic prophylaxis for leptospirosis (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Antibiotics vs other antibiotics
All‐cause mortality ‐ not reported · farmworkers
Antibiotic prophylaxis for leptospirosis (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Antibiotics vs placebo or no intervention
Serious adverse event ‐ not reported · people with leptospirosis
Antibiotics for treatment of leptospirosis (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Billroth II reconstruction after distal gastrectomy
Health‐related quality of life ‐ not reported · people undergoing distal gastrectomy for gastric cancer
Uncut Roux‐en‐Y reconstruction after distal gastrectomy for gastric cancer (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Roux‐en‐Y reconstruction after distal gastrectomy
Changes in body weight from baseline ‐ not reported · people undergoing distal gastrectomy for gastric cancer
Uncut Roux‐en‐Y reconstruction after distal gastrectomy for gastric cancer (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Billroth II reconstruction after distal gastrectomy
Incidence of oesophagitis ‐ not reported · people undergoing distal gastrectomy for gastric cancer
Uncut Roux‐en‐Y reconstruction after distal gastrectomy for gastric cancer (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Uncut Roux‐en‐Y reconstruction vs Roux‐en‐Y reconstruction after distal gastrectomy
Health‐related quality of life ‐ not reported · people undergoing distal gastrectomy for gastric cancer
Uncut Roux‐en‐Y reconstruction after distal gastrectomy for gastric cancer (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Any psychosocial intervention vs treatment
Adverse events ‐ not measured · stopping or reducing alcohol consumption during pregnancy
Psychosocial and medication interventions to stop or reduce alcohol consumption during pregnancy (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Any psychosocial intervention vs treatment
Withdrawal signs and symptoms ‐ not measured · stopping or reducing alcohol consumption during pregnancy
Psychosocial and medication interventions to stop or reduce alcohol consumption during pregnancy (2024) · Cochrane
no estimate extractedNRNo studies
Effects of extensive instructions vs simple instructions
Proportion of workers who wear HPDs · workers exposed to noise using HPDs
Hearing protection field attenuation estimation systems and associated training for reducing workers’… (2024) · Cochrane
no estimate extractedNRNo studies
Effects of instructions vs no instructions
PAR pass rate (%) · workers exposed to noise using earplugs
Hearing protection field attenuation estimation systems and associated training for reducing workers’… (2024) · Cochrane
no estimate extractedNRNo studies
Effects of instructions vs no instructions
Adverse effects · workers exposed to noise using earplugs
Hearing protection field attenuation estimation systems and associated training for reducing workers’… (2024) · Cochrane
no estimate extractedNRNo studies
Effects of instructions vs no instructions
Proportion of workers who wear HPDs · workers exposed to noise using earplugs
Hearing protection field attenuation estimation systems and associated training for reducing workers’… (2024) · Cochrane
no estimate extractedNRNo studies
Effects of extensive instructions vs simple instructions
Adverse effects · workers exposed to noise using HPDs
Hearing protection field attenuation estimation systems and associated training for reducing workers’… (2024) · Cochrane
no estimate extractedNRNo studies
Transcranial direct current stimulation (tDCS) vs sham tDCS
Word retrieval · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Active tDCS plus phonological word‐retrieval training vs sham tDCS plus phonological word‐retrieval training
Overall language abilities · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Active tDCS plus phonological word‐retrieval training vs sham tDCS plus phonological word‐retrieval training
Overall cognitive assessment · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Active tDCS plus phonological word‐retrieval training vs sham tDCS plus phonological word‐retrieval training
Quality of life · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Active tDCS plus semantic word‐retrieval training vs sham tDCS plus semantic word‐retrieval training
Overall language abilities · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Active tDCS plus semantic word‐retrieval training vs sham tDCS plus semantic word‐retrieval training
Overall cognitive assessment · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Active tDCS plus semantic word‐retrieval training vs sham tDCS plus semantic word‐retrieval training
Quality of life · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Repetitive transcranial magnetic stimulation (rTMS) vs active control‐site rTMS
Word retrieval · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Repetitive transcranial magnetic stimulation (rTMS) vs active control‐site rTMS
Quality of life · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Transcranial direct current stimulation (tDCS) vs sham tDCS
Overall cognitive assessment · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Transcranial direct current stimulation (tDCS) vs sham tDCS
Quality of life · adults with primary progressive aphasia (PPA)
Non‐pharmacological interventions for improving language and communication in people with primary… (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics and anti‐inflammatory therapy vs anti‐inflammatory therapy
Clinical remission · people with mild‐to‐moderate ulcerative colitis based on Truelove and Witts criteria
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics and anti‐inflammatory therapy vs anti‐inflammatory therapy
Quality of life · people with mild‐to‐moderate ulcerative colitis based on Truelove and Witts criteria
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics and anti‐inflammatory therapy vs anti‐inflammatory therapy
Total adverse events · people with mild‐to‐moderate ulcerative colitis based on Truelove and Witts criteria
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics and anti‐inflammatory therapy vs anti‐inflammatory therapy
Withdrawals due to adverse events · people with mild‐to‐moderate ulcerative colitis based on Truelove and Witts criteria
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics vs probiotics
Clinical relapse (4 weeks) · people in remission or with mildly activeulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics vs probiotics
Clinical improvement · people in remission or with mildly activeulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics vs probiotics
Total adverse events · people in remission or with mildly activeulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics vs synbiotics
Clinical relapse (4 weeks) · people in remission or with mildly activeulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics vs synbiotics
Clinical improvement · people in remission or with mildly activeulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics vs synbiotics
Total adverse events · people in remission or with mildly activeulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Prebiotics vs placebo
Total adverse events · people with mild‐to‐moderate disease (Rachmilewitz index) or active disease (SCCAI score of 4 to 10)
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies
Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily
Quality of life · people with mild to moderately active ulcerative colitis
Prebiotics for induction and maintenance of remission in ulcerative colitis (2024) · Cochrane
no estimate extractedNRNo studies