Gap finder
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 |
|---|---|---|---|
DHEA vs HT QoL, general wellbeing DHEA versus ET + P · Women in the peri‐ or postmenopausal phase Dehydroepiandrosterone for women in the peri‐ or postmenopausal phase (2015) · Cochrane | no estimate extracted | NR | No studies |
DHEA vs HT QoL, general wellbeing DHEA versus tibolone · Women in the peri‐ or postmenopausal phase Dehydroepiandrosterone for women in the peri‐ or postmenopausal phase (2015) · Cochrane | no estimate extracted | NR | No studies |
DHEA vs HT Acne DHEA versus ET + P · Women in the peri‐ or postmenopausal phase Dehydroepiandrosterone for women in the peri‐ or postmenopausal phase (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR PVC failure · Patients requiring a peripheral venous catheter Devices and dressings to secure peripheral venous catheters to prevent complications (2015) · Cochrane | no estimate extracted | NR | No studies |
Transparent dressing vs sticking plaster PVC failure · Patients requiring a peripheral venous catheter Devices and dressings to secure peripheral venous catheters to prevent complications (2015) · Cochrane | no estimate extracted | NR | No studies |
Bordered transparent dressing vs tape Phlebitis · Patients requiring a peripheral venous catheter Devices and dressings to secure peripheral venous catheters to prevent complications (2015) · Cochrane | no estimate extracted | NR | No studies |
Alpha‐2 adrenergic agonist vs placebo/control Incidence of core hypothermia ‐ not measured · people with surgical requirement for general anaesthesia Alpha‐2 adrenergic agonists for the prevention of shivering following general anaesthesia (2015) · Cochrane | no estimate extracted | NR | No studies |
Alpha‐2 adrenergic agonist vs placebo/control Participant satisfaction/experience of shivering ‐ not measured · people with surgical requirement for general anaesthesia Alpha‐2 adrenergic agonists for the prevention of shivering following general anaesthesia (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Number of men with continuing symptoms of voiding dysfunction after treatment following assessment with and without urodynamic studies ‐ not reported · patients with lower urinary tract symptoms Invasive urodynamic studies for the management of lower urinary tract symptoms (LUTS) in men with voiding… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Incidence of urinary tract infection ‐ not reported · patients with lower urinary tract symptoms Invasive urodynamic studies for the management of lower urinary tract symptoms (LUTS) in men with voiding… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Subjective participant satisfaction with treatment at 3 months after treatment ‐ not reported · patients with lower urinary tract symptoms Invasive urodynamic studies for the management of lower urinary tract symptoms (LUTS) in men with voiding… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Need for repeat or alternative treatment within 1 year ‐ not reported · patients with lower urinary tract symptoms Invasive urodynamic studies for the management of lower urinary tract symptoms (LUTS) in men with voiding… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Health outcome measures such as quality‐adjusted life‐years ‐ not reported · patients with lower urinary tract symptoms Invasive urodynamic studies for the management of lower urinary tract symptoms (LUTS) in men with voiding… (2015) · Cochrane | no estimate extracted | NR | No studies |
Hydrogel dressings vs foam dressing Adverse events (not reported) · people with pressure ulcers Hydrogel dressings for treating pressure ulcers (2015) · Cochrane | no estimate extracted | NR | No studies |
Hydrogel dressings vs dextranomer paste dressings Proportion of ulcers completely healed (not reported) · people with pressure ulcers Hydrogel dressings for treating pressure ulcers (2015) · Cochrane | no estimate extracted | NR | No studies |
Hydrogel dressings vs collagenase Adverse events (not reported) · people with pressure ulcers Hydrogel dressings for treating pressure ulcers (2015) · Cochrane | no estimate extracted | NR | No studies |
Hydrogel dressings vs hydrogel dressings Proportion of ulcers completely healed (not reported) · people with pressure ulcers Hydrogel dressings for treating pressure ulcers (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Height for age · children and adults in low‐ and middle‐income countries Unconditional cash transfers for assistance in humanitarian disasters: effect on use of health services and… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Number of days sick in bed · children and adults in low‐ and middle‐income countries Unconditional cash transfers for assistance in humanitarian disasters: effect on use of health services and… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Level of depression · children and adults in low‐ and middle‐income countries Unconditional cash transfers for assistance in humanitarian disasters: effect on use of health services and… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Received vitamin or iron supplements · children and adults in low‐ and middle‐income countries Unconditional cash transfers for assistance in humanitarian disasters: effect on use of health services and… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Received deworming drugs · children and adults in low‐ and middle‐income countries Unconditional cash transfers for assistance in humanitarian disasters: effect on use of health services and… (2015) · Cochrane | no estimate extracted | NR | No studies |
Universal screening vs no screening Thyroid dysfunction diagnosed in pregnancy: hyperthyroid · women during pregnancy Screening and subsequent management for thyroid dysfunction pre‐pregnancy and during pregnancy for improving… (2015) · Cochrane | no estimate extracted | NR | No studies |
Universal screening vs no screening Pre‐eclampsia · women during pregnancy Screening and subsequent management for thyroid dysfunction pre‐pregnancy and during pregnancy for improving… (2015) · Cochrane | no estimate extracted | NR | No studies |
Universal screening vs no screening Preterm birth · women during pregnancy Screening and subsequent management for thyroid dysfunction pre‐pregnancy and during pregnancy for improving… (2015) · Cochrane | no estimate extracted | NR | No studies |
Universal screening vs no screening Miscarriage · women during pregnancy Screening and subsequent management for thyroid dysfunction pre‐pregnancy and during pregnancy for improving… (2015) · Cochrane | no estimate extracted | NR | No studies |
Universal screening vs no screening Adverse effects associated with the intervention · women during pregnancy Screening and subsequent management for thyroid dysfunction pre‐pregnancy and during pregnancy for improving… (2015) · Cochrane | no estimate extracted | NR | No studies |
Universal screening vs no screening Death (defined as all fetal and neonatal deaths) · women during pregnancy Screening and subsequent management for thyroid dysfunction pre‐pregnancy and during pregnancy for improving… (2015) · Cochrane | no estimate extracted | NR | No studies |
Universal screening vs case finding Neurosensory disability (any of cerebral palsy, blindness, deafness, developmental delay/intellectual impairment, at latest time reported): IQ < 85 at 3 years of age · women during pregnancy Screening and subsequent management for thyroid dysfunction pre‐pregnancy and during pregnancy for improving… (2015) · Cochrane | no estimate extracted | NR | No studies |
Universal screening vs case finding Adverse effects associated with the intervention · women during pregnancy Screening and subsequent management for thyroid dysfunction pre‐pregnancy and during pregnancy for improving… (2015) · Cochrane | no estimate extracted | NR | No studies |
Home‐based vs clinic‐based specimen collection Adverse effects of testingc · Sexually active people Home‐based versus clinic‐based specimen collection in the management of Chlamydia trachomatis and Neisseria… (2015) · Cochrane | no estimate extracted | NR | No studies |
Saphenous vein cutdown vs intraosseous route Dislodgement of device · trainee paramedics using both methods of gaining parenteral access on cadavers Comparison of routes for achieving parenteral access with a focus on the management of patients with Ebola… (2015) · Cochrane | no estimate extracted | NR | No studies |
Saphenous vein cutdown vs intraosseous route Needlestick injuries · trainee paramedics using both methods of gaining parenteral access on cadavers Comparison of routes for achieving parenteral access with a focus on the management of patients with Ebola… (2015) · Cochrane | no estimate extracted | NR | No studies |
Saphenous vein cutdown vs intraosseous route Volume of fluid inserted · trainee paramedics using both methods of gaining parenteral access on cadavers Comparison of routes for achieving parenteral access with a focus on the management of patients with Ebola… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intravenous vs intraosseous route Needlestick injuries · adults or children requiring fluid delivered by a parenteral route (one study testing insertion and the volume of… Comparison of routes for achieving parenteral access with a focus on the management of patients with Ebola… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intravenous vs subcutaneous route Needlestick injuries · adults or children requiring parenteral access for infusion of fluids or medication Comparison of routes for achieving parenteral access with a focus on the management of patients with Ebola… (2015) · Cochrane | no estimate extracted | NR | No studies |
Fibre supplementation vs no intervention Primary outcome ‐ improvement in constipation ‐ not reported · Women being treated for constipation in pregnancy Interventions for treating constipation in pregnancy (2015) · Cochrane | no estimate extracted | NR | No studies |
Fibre supplementation vs no intervention Primary outcome ‐ consistency of stools ‐ not reported · Women being treated for constipation in pregnancy Interventions for treating constipation in pregnancy (2015) · Cochrane | no estimate extracted | NR | No studies |
Stimulant laxatives vs bulk‐forming laxatives Primary outcome ‐ pain on defecation ‐ not reported · women with treating constipation in pregnancy Interventions for treating constipation in pregnancy (2015) · Cochrane | no estimate extracted | NR | No studies |
Fibre supplementation vs no intervention Primary outcome ‐ pain on defecation ‐ not reported · Women being treated for constipation in pregnancy Interventions for treating constipation in pregnancy (2015) · Cochrane | no estimate extracted | NR | No studies |
ASENAPINE vs PLACEBO Adverse effects: Clinically significant extrapyramidal symptoms AIMS · adults with schizophrenia Asenapine versus placebo for schizophrenia (2015) · Cochrane | no estimate extracted | NR | No studies |
ASENAPINE vs PLACEBO Economic costs · adults with schizophrenia Asenapine versus placebo for schizophrenia (2015) · Cochrane | no estimate extracted | NR | No studies |
Comparison 2: memantine vs placebo Carer stress · people with Down syndrome Pharmacological interventions for cognitive decline in people with Down syndrome (2015) · Cochrane | no estimate extracted | NR | No studies |
Comparison 2: memantine vs placebo Institutional/home care · people with Down syndrome Pharmacological interventions for cognitive decline in people with Down syndrome (2015) · Cochrane | no estimate extracted | NR | No studies |
Comparison 2: memantine vs placebo Death · people with Down syndrome Pharmacological interventions for cognitive decline in people with Down syndrome (2015) · Cochrane | no estimate extracted | NR | No studies |
Comparison 1: donepezil vs placebo Carer stress · people with Down syndrome Pharmacological interventions for cognitive decline in people with Down syndrome (2015) · Cochrane | no estimate extracted | NR | No studies |
Comparison 1: donepezil vs placebo Institutional/home care · people with Down syndrome Pharmacological interventions for cognitive decline in people with Down syndrome (2015) · Cochrane | no estimate extracted | NR | No studies |
Comparison 1: donepezil vs placebo Death · people with Down syndrome Pharmacological interventions for cognitive decline in people with Down syndrome (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Mortality secondary to bleeding/infection/transfusion reactions or iron overload ‐ not reported · patients with myelodysplastic syndrome Comparison of a restrictive versus liberal red cell transfusion policy for patients with myelodysplasia,… (2015) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Quality of life ‐ not reported · patients with myelodysplastic syndrome Comparison of a restrictive versus liberal red cell transfusion policy for patients with myelodysplasia,… (2015) · Cochrane | no estimate extracted | NR | No studies |