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 |
|---|---|---|---|
Intervention NR Microvascular outcomes · participants with type 2 diabetes mellitus Sulphonylurea monotherapy for patients with type 2 diabetes mellitus (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Health‐related quality of life · participants with type 2 diabetes mellitus Sulphonylurea monotherapy for patients with type 2 diabetes mellitus (2013) · Cochrane | no estimate extracted | NR | No studies |
SiT for maintenance/relief vs higher‐dose ICS/LABA + SABA Outcomes · Studies recruited adults and adolescents aged 12 and older with chronic asthma Combination formoterol and budesonide as maintenance and reliever therapy versus combination inhaler… (2013) · Cochrane | no estimate extracted | NR | No studies |
SiT for maintenance/relief vs higher‐dose ICS/LABA + SABA People with exacerbations requiring hospitalisation · Studies recruited adults and adolescents aged 12 and older with chronic asthma Combination formoterol and budesonide as maintenance and reliever therapy versus combination inhaler… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Population health outcomes · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Quality of health care · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Efficiency of health care · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Equity of health care · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR District manager job‐posting vacancy rates · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR District managers’ knowledge · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Access to health care · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR District managers’ skills · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Utilization of health care · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Quality of health care · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Efficiency of health care · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Equity of health care · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR District manager job‐posting vacancy rates · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR District managers’ knowledge · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR District managers’ skills · health outcomes Interventions for hiring, retaining and training district health systems managers in low‐ and middle‐income… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Quality of life · Participants with primary dysfunctional breathing/hyperventilation syndrome Breathing exercises for dysfunctional breathing/hyperventilation syndrome in adults (2013) · Cochrane | no estimate extracted | NR | No studies |
Alginate dressing vs basic wound contact dressing HRQoL ‐ not measured · patients with Alginate dressings for healing diabetic foot ulcers (2013) · Cochrane | no estimate extracted | NR | No studies |
Alginate dressings vs foam dressings HRQoL ‐ not measured · patients with healing diabetic foot ulcers Alginate dressings for healing diabetic foot ulcers (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Mortality · adults and children with clinical signs and symptoms of acute lower respiratory tract infection Chest radiographs for acute lower respiratory tract infections (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Hospitalisation rates · adults and children with clinical signs and symptoms of acute lower respiratory tract infection Chest radiographs for acute lower respiratory tract infections (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Complications of infection · adults and children with clinical signs and symptoms of acute lower respiratory tract infection Chest radiographs for acute lower respiratory tract infections (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Adverse effects from chest radiographs · adults and children with clinical signs and symptoms of acute lower respiratory tract infection Chest radiographs for acute lower respiratory tract infections (2013) · Cochrane | no estimate extracted | NR | No studies |
Ipomoea batatas (Caiapo) tablets vs placebo Morbidity · people with type 2 diabetes mellitus Sweet potato for type 2 diabetes mellitus (2013) · Cochrane | no estimate extracted | NR | No studies |
Ipomoea batatas (Caiapo) tablets vs placebo Health‐related quality of life · people with type 2 diabetes mellitus Sweet potato for type 2 diabetes mellitus (2013) · Cochrane | no estimate extracted | NR | No studies |
Ipomoea batatas (Caiapo) tablets vs placebo Well‐being · people with type 2 diabetes mellitus Sweet potato for type 2 diabetes mellitus (2013) · Cochrane | no estimate extracted | NR | No studies |
Ipomoea batatas (Caiapo) tablets vs placebo Functional outcomes · people with type 2 diabetes mellitus Sweet potato for type 2 diabetes mellitus (2013) · Cochrane | no estimate extracted | NR | No studies |
Ipomoea batatas (Caiapo) tablets vs placebo Costs · people with type 2 diabetes mellitus Sweet potato for type 2 diabetes mellitus (2013) · Cochrane | no estimate extracted | NR | No studies |
Nurse‐led vs physician‐led care Frequency of exacerbations · the management of asthma Nurse versus physician‐led care for the management of asthma (2013) · Cochrane | no estimate extracted | NR | No studies |
Nurse‐led vs physician‐led care Asthma severity and symptoms · the management of asthma Nurse versus physician‐led care for the management of asthma (2013) · Cochrane | no estimate extracted | NR | No studies |
Nurse‐led vs physician‐led care Healthcare costs, direct and indirect · the management of asthma Nurse versus physician‐led care for the management of asthma (2013) · Cochrane | no estimate extracted | NR | No studies |
Inhaled corticosteroids (ICS) vs placebo Primary outcome · adults with subacute and chronic cough Inhaled corticosteroids for subacute and chronic cough in adults (2013) · Cochrane | no estimate extracted | NR | No studies |
Inhaled corticosteroids (ICS) vs placebo Secondary outcomes · adults with subacute and chronic cough Inhaled corticosteroids for subacute and chronic cough in adults (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Du Preez 2010 (cRCT) · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Langford 2011 · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR McGuigan 2011 (cRCT) · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Fenn 2012 · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Du Preez 2011 (cRCT) · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR McGuigan 2010 (cRCT) · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Luby 2004 (cRCT) · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Luby 2006 (Soap) (cRCT) · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Ahmed 1993 · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Arnold 2009 · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Bowen 2012 · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Hasan 1989 · households Interventions to improve water quality and supply, sanitation and hygiene practices, and their effects on… (2013) · Cochrane | no estimate extracted | NR | No studies |
Naproxen 500 mg or 825 mg vs placebo Serious AE · migraine headache ‐ moderate or severe pain Naproxen with or without an antiemetic for acute migraine headaches in adults (2013) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Cardiovascular events · postmenopausal women with hypercholesterolaemia Isoflavones for hypercholesterolaemia in adults (2013) · Cochrane | no estimate extracted | NR | No studies |