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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.
15,213 questions in 2,394 reviews
current versionsNo 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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Anticoagulant agent vs placebo Progression of carotid stenosis · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Anticoagulant agent vs placebo Quality of life · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Lipid‐lowering agent vs placebo or no treatment Outcomes (measurement/time point) · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Lipid‐lowering agent vs placebo or no treatment Neurological impairment · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Lipid‐lowering agent vs placebo or no treatment Major bleeding · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Lipid‐lowering agent vs placebo or no treatment Progression of carotid stenosis · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Lipid‐lowering agent vs placebo or no treatment Quality of life · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Antiplatelet agent vs placebo Quality of life · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Antihypertensive agent vs placebo Outcomes (measurement/time point) · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs standard plasma Quality of life, · individuals with moderate to severe disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs human immunoglobulin Clinical worsening: need for invasive mechanical ventilation, or death at up to day 28 ‐ not reported · individuals with moderate to severe disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs human immunoglobulin Clinical improvement: participants discharged from hospital ‐ not reported · individuals with moderate to severe disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs human immunoglobulin Quality of life ‐ not reported · individuals with moderate to severe disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs human immunoglobulin Grades 3 and 4 adverse events ‐ not reported · individuals with moderate to severe disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs human immunoglobulin Serious adverse events ‐ not reported · individuals with moderate to severe disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs placebo or standard care alone Symptom resolution‐ all initial symptoms resolved ‐ not reported · outpatients withmild disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs placebo or standard care alone Quality of life, · outpatients withmild disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs standard plasma Time to symptom resolution ‐ not reported · outpatients withmild disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs standard plasma Quality of life, · outpatients withmild disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs standard plasma Grades 3 and 4 adverse events ‐ not reported · outpatients withmild disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs standard plasma Serious adverse events ‐ not reported · outpatients withmild disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings table ‐ Convalescent plasma vs standard plasma Clinical improvement: participants discharged from hospital ‐ not reported · individuals with moderate to severe disease Convalescent plasma for people with COVID‐19: a living systematic review (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ self‐selected music vs no music Frequency of non‐hospitalised respiratory infection · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ self‐selected music vs no music FEV1 % predicted (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ self‐selected music vs no music FVC % predicted (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ self‐selected music vs no music QoL (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ self‐selected music vs no music Exercise capacity (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs self‐selected music Frequency of non‐hospitalised respiratory infection · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs self‐selected music FEV1 % predicted (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs self‐selected music FVC % predicted (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs self‐selected music QoL (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs self‐selected music Exercise capacity (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Frequency of hospitalisation for respiratory infection · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Frequency of non‐hospitalised respiratory infection · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs no music Frequency of non‐hospitalised respiratory infection · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs no music FEV1 % predicted (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs no music FVC % predicted (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs no music QoL (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Motivational interventions to improve adherence to airway clearance treatment for people with CF ‐ specifically‐composed music vs no music Exercise capacity (change from baseline) · people with CF Interventions for improving adherence to airway clearance treatment and exercise in people with cystic… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Outcomes, Time point of assessment · relatives, patients, and healthcare professionals during resucitation Family presence during resuscitation (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Â · relatives, patients, and healthcare professionals during resucitation Family presence during resuscitation (2023) · Cochrane | no estimate extracted | NR | No studies |
Synbiotic vs another synbiotic eGFR · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Synbiotic vs prebiotic Microbiota composition · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Synbiotic vs prebiotic Graft function · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Synbiotic vs prebiotic Graft infection · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Prebiotic vs another prebiotic Albuminuria or proteinuria · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Synbiotic vs another synbiotic Albuminuria or proteinuria · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Synbiotic vs another synbiotic Indoxyl sulfate · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Synbiotic vs another synbiotic Change in any GI upset or intolerance · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |
Prebiotic vs another prebiotic Graft function · people with CKD Synbiotics, prebiotics and probiotics for people with chronic kidney disease (2023) · Cochrane | no estimate extracted | NR | No studies |