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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 |
|---|---|---|---|
Intervention NR Cluster‐RCTs · adults and children Interventions to improve sanitation for preventing diarrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Cluster‐RCTs · adults and children Interventions to improve sanitation for preventing diarrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR NRCTs · adults and children Interventions to improve sanitation for preventing diarrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Cluster‐RCTs · adults and children Interventions to improve sanitation for preventing diarrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Non‐randomized studies** · adults and children Interventions to improve sanitation for preventing diarrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Non‐randomized studies** · adults and children Interventions to improve sanitation for preventing diarrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Cluster‐RCTs · adults and children Interventions to improve sanitation for preventing diarrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Non‐randomized studies** · adults and children Interventions to improve sanitation for preventing diarrhoea (2023) · Cochrane | no estimate extracted | NR | No studies |
Pharmacologic intervention vs another pharmacologic intervention Harmful alcohol use ‐ not measured · individuals with alcohol use disorder Psychosocial and pharmacologic interventions to reduce harmful alcohol use in low‐ and middle‐income countries (2023) · Cochrane | no estimate extracted | NR | No studies |
Pharmacologic intervention vs another pharmacologic intervention Harmful alcohol use ‐ not measured · individuals with alcohol use disorder Psychosocial and pharmacologic interventions to reduce harmful alcohol use in low‐ and middle‐income countries (2023) · Cochrane | no estimate extracted | NR | No studies |
Percutaneous nephrolithotomy vs retrograde intrarenal surgery Unplanned medical visits Assumed MCID: 5% · adults with renal stones Percutaneous nephrolithotomy versus retrograde intrarenal surgery for treatment of renal stones in adults (2023) · Cochrane | no estimate extracted | NR | No studies |
Percutaneous nephrolithotomy vs retrograde intrarenal surgery Quality of life Assumed MCID: NA · adults with renal stones Percutaneous nephrolithotomy versus retrograde intrarenal surgery for treatment of renal stones in adults (2023) · Cochrane | no estimate extracted | NR | No studies |
Exercise intervention vs no exercise intervention Overall survival · adults with breast or prostate cancer receiving radiation therapy alone Exercise interventions for adults with cancer receiving radiation therapy alone (2023) · Cochrane | no estimate extracted | NR | No studies |
Exercise intervention vs no exercise intervention Return to work · adults with breast or prostate cancer receiving radiation therapy alone Exercise interventions for adults with cancer receiving radiation therapy alone (2023) · Cochrane | no estimate extracted | NR | No studies |
Topical tranexamic acid vs placebo Re‐operation due to bleeding (7 days post‐surgery) ‐ not reported · people undergoing definitive fixation of hip, pelvic and long bone fractures Pharmacological interventions for the prevention of bleeding in people undergoing definitive fixation or… (2023) · Cochrane | no estimate extracted | NR | No studies |
Topical tranexamic acid vs placebo Risk of suspected serious drug reactions (30 days) ‐ not reported · people undergoing definitive fixation of hip, pelvic and long bone fractures Pharmacological interventions for the prevention of bleeding in people undergoing definitive fixation or… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intravenous tranexamic acid vs placebo Re‐operation due to bleeding (7 days post‐surgery) ‐ not reported · people undergoing definitive fixation of hip, pelvic and long bone fractures Pharmacological interventions for the prevention of bleeding in people undergoing definitive fixation or… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Depression none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Anxiety none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Quality of life none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Pain intensity none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Disability none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Adverse events none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Depression none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Anxiety none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Quality of life none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Adverse events none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Depression none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Anxiety none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Pain intensity none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Disability none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Adverse events none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain Physical activity and education about physical activity for chronic musculoskeletal pain in children and… (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Outcomes  · adults with compensated or decompensated advanced chronic liver disease Granulocyte colony‐stimulating factor with or without stem or progenitor cell or growth factors infusion for… (2023) · Cochrane | no estimate extracted | NR | No studies |
Oxygenation vs no oxygenation during the apnoeic period preceding intubation Hospital stay · people requiring tracheal intubation Oxygenation during the apnoeic phase preceding intubation in adults in prehospital, emergency department,… (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings 1. Amorphous hydrogel dressings vs other types of dressings Time to complete wound healing (re‐epithelialisation) (days) Measured using photographs · children with skin graft donor sites Hydrogel dressings for donor sites of split‐thickness skin grafts (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings 2. Octenidine‐dihydrochloride (OCT) hydrogel dressings vs OCT‐free placebo hydrogel dressings Donor site pain · adults with skin graft donor sites Hydrogel dressings for donor sites of split‐thickness skin grafts (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings 2. Octenidine‐dihydrochloride (OCT) hydrogel dressings vs OCT‐free placebo hydrogel dressings Health‐related quality of life · adults with skin graft donor sites Hydrogel dressings for donor sites of split‐thickness skin grafts (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings 2. Octenidine‐dihydrochloride (OCT) hydrogel dressings vs OCT‐free placebo hydrogel dressings Wound complications · adults with skin graft donor sites Hydrogel dressings for donor sites of split‐thickness skin grafts (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings 1. Amorphous hydrogel dressings vs other types of dressings Health‐related quality of life · children with skin graft donor sites Hydrogel dressings for donor sites of split‐thickness skin grafts (2023) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings 1. Amorphous hydrogel dressings vs other types of dressings Wound infection · children with skin graft donor sites Hydrogel dressings for donor sites of split‐thickness skin grafts (2023) · Cochrane | no estimate extracted | NR | No studies |
Antiplatelet agent vs placebo Outcomes (measurement) · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Antihypertensive agent vs placebo Neurological impairment · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Antihypertensive agent vs placebo Major bleeding · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Antihypertensive agent vs placebo Adverse events · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Antihypertensive agent vs placebo Quality of life · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Anticoagulant agent vs placebo Outcomes (measurement/time point) · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Anticoagulant agent vs placebo Neurological impairment · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Anticoagulant agent vs placebo Ipsilateral major or disabling stroke · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Antiplatelet agent vs placebo Neurological impairment · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Anticoagulant agent vs placebo Stroke‐related mortality · asymptomatic carotid stenosis Pharmacological interventions for asymptomatic carotid stenosis (2023) · Cochrane | no estimate extracted | NR | No studies |