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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)

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
Chemical peeling vs needling
Quality of life · people with acne scars
Interventions for acne scars (2016) · Cochrane
no estimate extractedNRNo studies
Injectable fillers vs placebo or no treatment
Participant‐assessed scar improvement (long‐term) · people with acne scars
Interventions for acne scars (2016) · Cochrane
no estimate extractedNRNo studies
Injectable fillers vs placebo or no treatment
Quality of life · people with acne scars
Interventions for acne scars (2016) · Cochrane
no estimate extractedNRNo studies
Fractional laser vs non‐fractional non‐ablative laser
Participant satisfaction · people with acne scars
Interventions for acne scars (2016) · Cochrane
no estimate extractedNRNo studies
Fractional laser vs non‐fractional non‐ablative laser
Quality of life · people with acne scars
Interventions for acne scars (2016) · Cochrane
no estimate extractedNRNo studies
Fractional laser vs radiofrequency
Participant‐reported scar improvement (long‐term) · people with acne scars
Interventions for acne scars (2016) · Cochrane
no estimate extractedNRNo studies
Fractional laser vs radiofrequency
Investigator‐assessed adverse events (short‐term) · people with acne scars
Interventions for acne scars (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Incident dementia ‐ not measured · adults with cognitive impairment/dementia and cognitively intact populations
Antihypertensive withdrawal for the prevention of cognitive decline (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Falls ‐ not measured · adults with cognitive impairment/dementia and cognitively intact populations
Antihypertensive withdrawal for the prevention of cognitive decline (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · patients with non‐specific chronic low back pain
Motor control exercise for chronic non‐specific low‐back pain (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · patients with non‐specific chronic low back pain
Motor control exercise for chronic non‐specific low‐back pain (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · patients with non‐specific chronic low back pain
Motor control exercise for chronic non‐specific low‐back pain (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · patients with non‐specific chronic low back pain
Motor control exercise for chronic non‐specific low‐back pain (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events None of the included studies evaluated adverse events · patients with acute low back pain
Motor control exercise for acute non‐specific low back pain (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events None of the included studies evaluated adverse events · patients with acute LBP
Motor control exercise for acute non‐specific low back pain (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events None of the included studies evaluated adverse events · patients with acute low back pain
Motor control exercise for acute non‐specific low back pain (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life and self esteem · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
All‐cause mortality · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Morbidity · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Parent‐child relationship or assessment of parenting · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
All‐cause mortality · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Morbidity · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · preschool children (aged 0 to 6 years) with overweight or obesity
Diet, physical activity, and behavioural interventions for the treatment of overweight or obesity in… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · people at risk for the development of type 2 diabetes mellitus
Insulin secretagogues for prevention or delay of type 2 diabetes mellitus and its associated complications… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Serious adverse events · people at risk for the development of type 2 diabetes mellitus
Insulin secretagogues for prevention or delay of type 2 diabetes mellitus and its associated complications… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐fatal myocardial infarction, non‐fatal stroke, congestive heart failure · people at risk for the development of type 2 diabetes mellitus
Insulin secretagogues for prevention or delay of type 2 diabetes mellitus and its associated complications… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · people at risk for the development of type 2 diabetes mellitus
Insulin secretagogues for prevention or delay of type 2 diabetes mellitus and its associated complications… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · people at risk for the development of type 2 diabetes mellitus
Insulin secretagogues for prevention or delay of type 2 diabetes mellitus and its associated complications… (2016) · Cochrane
no estimate extractedNRNo studies
Short‐acting insulin analogues vs regular human insulin
All‐cause mortality
Short‐acting insulin analogues versus regular human insulin for adults with type 1 diabetes mellitus (2016) · Cochrane
no estimate extractedNRNo studies
Short‐acting insulin analogues vs regular human insulin
Macrovascular complications
Short‐acting insulin analogues versus regular human insulin for adults with type 1 diabetes mellitus (2016) · Cochrane
no estimate extractedNRNo studies
Short‐acting insulin analogues vs regular human insulin
Microvascular complications
Short‐acting insulin analogues versus regular human insulin for adults with type 1 diabetes mellitus (2016) · Cochrane
no estimate extractedNRNo studies
Short‐acting insulin analogues vs regular human insulin
Health‐related quality of life
Short‐acting insulin analogues versus regular human insulin for adults with type 1 diabetes mellitus (2016) · Cochrane
no estimate extractedNRNo studies
Short‐acting insulin analogues vs regular human insulin
Costs
Short‐acting insulin analogues versus regular human insulin for adults with type 1 diabetes mellitus (2016) · Cochrane
no estimate extractedNRNo studies
Comparison 2: Interventions for multiple repetition of SH/probable personality disorder vs treatment
DBT vs TAU · adults who engage in SH
Psychosocial interventions for self‐harm in adults (2016) · Cochrane
no estimate extractedNRNo studies
Comparison 6: Remote contact interventions vs treatment
Postcards vs TAU · adults who engage in SH
Psychosocial interventions for self‐harm in adults (2016) · Cochrane
no estimate extractedNRNo studies
Comparison 6: Remote contact interventions vs treatment
Emergency cards vs TAU · adults who engage in SH
Psychosocial interventions for self‐harm in adults (2016) · Cochrane
no estimate extractedNRNo studies
Comparison 6: Remote contact interventions vs treatment
Telephone contact vs TAU · adults who engage in SH
Psychosocial interventions for self‐harm in adults (2016) · Cochrane
no estimate extractedNRNo studies
Comparison 2: Interventions for multiple repetition of SH/probable personality disorder vs treatment
Mentalisation vs TAU · adults who engage in SH
Psychosocial interventions for self‐harm in adults (2016) · Cochrane
no estimate extractedNRNo studies
Manual therapy and exercise vs arthroscopic subacromial decompression
Pain on motion · rotator cuff disease
Manual therapy and exercise for rotator cuff disease (2016) · Cochrane
no estimate extractedNRNo studies
Manual therapy and exercise vs arthroscopic subacromial decompression
Quality of life · rotator cuff disease
Manual therapy and exercise for rotator cuff disease (2016) · Cochrane
no estimate extractedNRNo studies
Manual therapy and exercise vs arthroscopic subacromial decompression
Adverse events · rotator cuff disease
Manual therapy and exercise for rotator cuff disease (2016) · Cochrane
no estimate extractedNRNo studies
Manual therapy and exercise vs glucocorticoid injection
Pain on motion · rotator cuff disease
Manual therapy and exercise for rotator cuff disease (2016) · Cochrane
no estimate extractedNRNo studies
Therapeutic ultrasound vs placebo
Pain on motion · Rotator cuff disease (diagnostic label: calcific tendinitis)
Electrotherapy modalities for rotator cuff disease (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · obese children and adolescents
Drug interventions for the treatment of obesity in children and adolescents (2016) · Cochrane
no estimate extractedNRNo studies
Preoperative analgesics (analgesics given before dental treatment) vs Placebo or no analgesics
Completion of treatment (yes/no) · Children and adolescents aged up to 17 years having dental treatment (orthodontic treatment, fillings, pulp treatment,…
Preoperative analgesics for additional pain relief in children and adolescents having dental treatment (2016) · Cochrane
None of the included studies measured completion of treatment. PUB3: 'The [three/four] studies did not measure intraoperative pain, preoperative and postoperative anxiety measures, patient satisfaction, parental…0 studiesNo studies
Cholinergics (bethanechol) vs Placebo
Change in taste · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such… · short-term (up to 3 months)
Interventions for treating burning mouth syndrome (2016) · Cochrane
SoF4: No included studies reported change in taste.0 studiesNo studies
Adhesively bonded amalgam restorations in conventional preparations utilising deliberate retention (all bonding agents) vs Traditional non‐bonded amalgam restorations
Adverse effects · Adults and adolescents with permanent posterior molar and premolar teeth suitable for Class I and II, but excluding…
Adhesively bonded versus non‐bonded amalgam restorations for dental caries (2016) · Cochrane
Adverse effects: any event for which the causal relationship between the event and the amalgam restoration is at least a reasonable possibility - not measured | See comment | See comment | Not estimable | - | See…0 studiesNo studies
Oral health education (advice and training) vs Standard care (oral health advice not specifically emphasised beyond usual care)
Quality of life: Chronic pain · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per…
Oral health education (advice and training) for people with serious mental illness (2016) · Cochrane
No study reported useable data0 studiesNo studies