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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
Vapour ablation vs control
Cost effectiveness · Participants suffering from chronic obstructive pulmonary disease
Bronchoscopic lung volume reduction procedures for chronic obstructive pulmonary disease (2017) · Cochrane
no estimate extractedNRNo studies
AeriSeal vs control
Cost effectiveness end of · Participants suffering from chronic obstructive pulmonary disease
Bronchoscopic lung volume reduction procedures for chronic obstructive pulmonary disease (2017) · Cochrane
no estimate extractedNRNo studies
Exercise vs control
Adiposity ‐ not reported · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Exercise vs control
Diabetes (type 1, type 2) ‐ not reported · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Exercise vs control
Neurosensory disability · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Exercise vs control
Development of type 2 diabetes ‐ not measured · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Exercise vs control
Perineal trauma/tearing ‐ not measured · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Exercise vs control
Postnatal depression ‐ not measured · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Exercise vs control
Large‐for‐gestational age ‐ not reported · pregnant women with gestational diabetes
Exercise for pregnant women with gestational diabetes for improving maternal and fetal outcomes (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · people at risk for development of T2DM
Dipeptidyl‐peptidase (DPP)‐4 inhibitors and glucagon‐like peptide (GLP)‐1 analogues for prevention or delay… (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · people at risk for development of T2DM
Dipeptidyl‐peptidase (DPP)‐4 inhibitors and glucagon‐like peptide (GLP)‐1 analogues for prevention or delay… (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · people at risk for development of T2DM
Dipeptidyl‐peptidase (DPP)‐4 inhibitors and glucagon‐like peptide (GLP)‐1 analogues for prevention or delay… (2017) · Cochrane
no estimate extractedNRNo studies
Standard irrigation vs pulsatile irrigation
Adverse events: abscess formation · participants undergoing clean, clean‐contaminated, contaminated or dirty surgical procedures
Intracavity lavage and wound irrigation for prevention of surgical site infection (2017) · Cochrane
no estimate extractedNRNo studies
Pancreaticojejunostomy vs pancreatogastrostomy after pancreatoduodectomy
Cost analysis · adults undergoing pancreatoduodenectomy (mainly for pancreatic cancer)
Pancreaticojejunostomy versus pancreaticogastrostomy reconstruction for the prevention of postoperative… (2017) · Cochrane
no estimate extractedNRNo studies
Multimedia training vs control versus usual care
Other outcomes · adults and children with asthma
Interventions to improve inhaler technique for people with asthma (2017) · Cochrane
no estimate extractedNRNo studies
Feedback device vs control versus usual care
Other outcomes · adults and children with asthma
Interventions to improve inhaler technique for people with asthma (2017) · Cochrane
no estimate extractedNRNo studies
Enhanced education vs control versus usual care
Other outcomes · adults and children with asthma
Interventions to improve inhaler technique for people with asthma (2017) · Cochrane
no estimate extractedNRNo studies
Hand‐assisted laparoscopic repair vs EVAR
Long‐term complications (12 months or longer if reported) · People undergoing elective abdominal aortic aneurysm repair
Laparoscopic surgery for elective abdominal aortic aneurysm repair (2017) · Cochrane
no estimate extractedNRNo studies
Hand‐assisted laparoscopic repair vs EVAR
All‐cause mortality/survival (> 30 days) · People undergoing elective abdominal aortic aneurysm repair
Laparoscopic surgery for elective abdominal aortic aneurysm repair (2017) · Cochrane
no estimate extractedNRNo studies
Hand‐assisted laparoscopic repair vs EVAR
Length of ICU stay (days) · People undergoing elective abdominal aortic aneurysm repair
Laparoscopic surgery for elective abdominal aortic aneurysm repair (2017) · Cochrane
no estimate extractedNRNo studies
Shared decision‐making vs usual care
Parent/patient satisfaction · adults and children with asthma
Shared decision‐making for people with asthma (2017) · Cochrane
no estimate extractedNRNo studies
Shared decision‐making vs usual care
Adverse events (all) · adults and children with asthma
Shared decision‐making for people with asthma (2017) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · adolescents with asthma
Lay‐led and peer support interventions for adolescents with asthma (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs sham treatment
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs pelvic floor muscle training
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs vaginal cones
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs PFMT plus vaginal cones
Incontinence‐specific quality of life · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs PFMT plus vaginal cones
Adverse effects · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs PFMT plus vaginal cones
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs drug therapy
Cure: number of women with self‐reported continence · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs drug therapy
Incontinence‐specific quality of life · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs drug therapy
Adverse effects · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs drug therapy
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation plus PFMT vs PFMT
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation plus surgery vs surgery
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Surface ES vs intravaginal ES
Cure: number of women with self‐reported continence · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Surface ES vs intravaginal ES
Improvement: number of women with self‐reported improvement in SUI (cured or improved) · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Surface ES vs intravaginal ES
Adverse effects · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Surface ES vs intravaginal ES
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Low intensity ES plus PFMT vs maximal intensity ES plus PFMT
Cure: number of women with self‐reported continence · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Low intensity ES plus PFMT vs maximal intensity ES plus PFMT
Incontinence‐specific quality of life · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Low intensity ES plus PFMT vs maximal intensity ES plus PFMT
Adverse effects ‐ not reported · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Electrical stimulation vs no active treatment
Cost‐effectiveness · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Low intensity ES plus PFMT vs maximal intensity ES plus PFMT
Cost‐effectiveness ‐ not reported · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Conventional ES plus PFMT vs dynamic ES plus PFMT
Cure: number of women with self‐reported continence · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Conventional ES plus PFMT vs dynamic ES plus PFMT
Adverse effects ‐ not reported · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Conventional ES plus PFMT vs dynamic ES plus PFMT
Cost‐effectiveness ‐ not reported · women with stress urinary incontinence
Electrical stimulation with non‐implanted devices for stress urinary incontinence in women (2017) · Cochrane
no estimate extractedNRNo studies
Clonidine vs placebo
aOne study and few events · neonates receiving mechanical ventilation
Clonidine for sedation and analgesia for neonates receiving mechanical ventilation (2017) · Cochrane
no estimate extractedNRNo studies
Drug‐eluting stents vs bare‐metal stents
Quality of life at maximum · People with acute coronary syndrome
Drug‐eluting stents versus bare‐metal stents for acute coronary syndrome (2017) · Cochrane
no estimate extractedNRNo studies
Drug‐eluting stents vs bare‐metal stents
Angina at maximum · People with acute coronary syndrome
Drug‐eluting stents versus bare‐metal stents for acute coronary syndrome (2017) · Cochrane
no estimate extractedNRNo studies