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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.

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
Intervention NR
Death from any cause · postmenopausal women with hypercholesterolaemia
Isoflavones for hypercholesterolaemia in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · postmenopausal women with hypercholesterolaemia
Isoflavones for hypercholesterolaemia in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Costs · postmenopausal women with hypercholesterolaemia
Isoflavones for hypercholesterolaemia in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Death from any cause · participants with hypertriglyceridaemia
Chinese herbal medicines for hypertriglyceridaemia (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Cardiovascular or cerebrovascular events · participants with hypertriglyceridaemia
Chinese herbal medicines for hypertriglyceridaemia (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events [ · participants with hypertriglyceridaemia
Chinese herbal medicines for hypertriglyceridaemia (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · participants with hypertriglyceridaemia
Chinese herbal medicines for hypertriglyceridaemia (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Costs · participants with hypertriglyceridaemia
Chinese herbal medicines for hypertriglyceridaemia (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
All‐cause death: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
Health‐related quality of life: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM)
Health‐related quality of life: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Xiongshao capsule (XSC) plus conventional western medicine (CWM) vs conventional western medicine (CWM) plus placebo
All‐cause death: not measured · patients with restenosis after percutaneous coronary intervention in coronary heart disease
Xiongshao for restenosis after percutaneous coronary intervention in patients with coronary heart disease (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Exacerbations requiring hospital admission · children and adolescents aged 18 years and under studies with asthma
Swimming training for asthma in children and adolescents aged 18 years and under (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Exacerbations requiring a course of oral corticosteroids · children and adolescents aged 18 years and under studies with asthma
Swimming training for asthma in children and adolescents aged 18 years and under (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse event—not reported · participants with lumbar spinal stenosis
Rehabilitation following surgery for lumbar spinal stenosis (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse Events ‐ not reported · participants with lumbar spinal stenosis
Rehabilitation following surgery for lumbar spinal stenosis (2013) · Cochrane
no estimate extractedNRNo studies
Cognitive behavioural therapies vs controls
Acceptability · Patients with fibromyalgia
Cognitive behavioural therapies for fibromyalgia (2013) · Cochrane
no estimate extractedNRNo studies
NIDOTHERAPY‐ENHANCED STANDARD CARE vs STANDARD CARE
Functioning ‐ general ‐ no important change ‐ medium term (6‐12 months) ‐ not measured · patients with people with schizophrenia
Nidotherapy for people with schizophrenia (2013) · Cochrane
no estimate extractedNRNo studies
NIDOTHERAPY‐ENHANCED STANDARD CARE vs STANDARD CARE
Quality of life ‐ no important change ‐ medium term (6‐12 months) ‐ not measured · patients with people with schizophrenia
Nidotherapy for people with schizophrenia (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Physical health · working‐age adults
In‐work tax credits for families and their impact on health status in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Change in employment · working‐age adults
In‐work tax credits for families and their impact on health status in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Mental illness · working‐age adults
In‐work tax credits for families and their impact on health status in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Overweight/obesity · working‐age adults
In‐work tax credits for families and their impact on health status in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Alcohol use · working‐age adults
In‐work tax credits for families and their impact on health status in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Tobacco use · working‐age adults
In‐work tax credits for families and their impact on health status in adults (2013) · Cochrane
no estimate extractedNRNo studies
Perioperative statins vs placebo or no treatment
Participant‐reported outcomes-not measured · participants with improving outcomes during and after noncardiac vascular surgery.
Perioperative statin therapy for improving outcomes during and after noncardiac vascular surgery (2013) · Cochrane
no estimate extractedNRNo studies
Skim milk enriched with GMP/G600 vs skim milk & lactose powder
Tophus regression ‐ not measured · patients with chronic gout
Lifestyle interventions for chronic gout (2013) · Cochrane
no estimate extractedNRNo studies
Skim milk enriched with GMP/G600 vs skim milk & lactose powder
Serum urate normalisation4 ‐ not reported · patients with chronic gout
Lifestyle interventions for chronic gout (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · overweight or obese adults
Chromium picolinate supplementation for overweight or obese adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Death from any cause · overweight or obese adults
Chromium picolinate supplementation for overweight or obese adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Morbidity · overweight or obese adults
Chromium picolinate supplementation for overweight or obese adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · overweight or obese adults
Chromium picolinate supplementation for overweight or obese adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Communicable diseases · Slum dwellers
Slum upgrading strategies involving physical environment and infrastructure interventions and their effects… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Social capital · Slum dwellers
Slum upgrading strategies involving physical environment and infrastructure interventions and their effects… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Nutritional deficiencies · Slum dwellers
Slum upgrading strategies involving physical environment and infrastructure interventions and their effects… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐communicable diseases · Slum dwellers
Slum upgrading strategies involving physical environment and infrastructure interventions and their effects… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Injuries · Slum dwellers
Slum upgrading strategies involving physical environment and infrastructure interventions and their effects… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
General health measures · Slum dwellers
Slum upgrading strategies involving physical environment and infrastructure interventions and their effects… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · Slum dwellers
Slum upgrading strategies involving physical environment and infrastructure interventions and their effects… (2013) · Cochrane
no estimate extractedNRNo studies
PLMA vs tracheal tube
Serious respiratory complications and mortality-not reported · airway management during general anaesthesia in obese participants
Supraglottic airway devices versus tracheal intubation for airway management during general anaesthesia in… (2013) · Cochrane
no estimate extractedNRNo studies
Long‐acting beta2‐agonists vs placebo
Outcomes · people with chronic obstructive pulmonary disease
Long‐acting beta₂‐agonists for chronic obstructive pulmonary disease (2013) · Cochrane
no estimate extractedNRNo studies
Selenium (+LT4) vs placebo (+LT4)
Change from baseline in health‐related quality of life · participants with Hashimoto's thyroiditis.
Selenium supplementation for Hashimoto's thyroiditis (2013) · Cochrane
no estimate extractedNRNo studies
Selenium (+LT4) vs placebo (+LT4)
Change from baseline in LT4 replacement dosage at end of study · participants with Hashimoto's thyroiditis.
Selenium supplementation for Hashimoto's thyroiditis (2013) · Cochrane
no estimate extractedNRNo studies
Selenium (+LT4) vs placebo (+LT4)
Economic costs · participants with Hashimoto's thyroiditis.
Selenium supplementation for Hashimoto's thyroiditis (2013) · Cochrane
no estimate extractedNRNo studies
IMMEDIATE initiation of cART vs DEFERRED initiation of cART
Patient or population: HIV‐positive, treatment‐naive children aged 24 to 59 months (2 to 5 years old)Settings: Thailand and CambodiaIntervention: IMMEDIATE initiation of cARTComparison: DEFERRED initiation of cART · HIV‐positive, treatment‐naive children aged one to 12 years old
Optimal time for initiating antiretroviral therapy (ART) in HIV‐infected, treatment‐naive children aged 2 to… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · children with dysfunctional breathing/hyperventilation syndrome
Breathing exercises for dysfunctional breathing/hyperventilation syndrome in children (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Nijmegen questionnaire · children with dysfunctional breathing/hyperventilation syndrome
Breathing exercises for dysfunctional breathing/hyperventilation syndrome in children (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Ventilation · children with dysfunctional breathing/hyperventilation syndrome
Breathing exercises for dysfunctional breathing/hyperventilation syndrome in children (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Exercise capacity · children with dysfunctional breathing/hyperventilation syndrome
Breathing exercises for dysfunctional breathing/hyperventilation syndrome in children (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Dysfunctional breathing‐specific tests (e.g. breath hold test or hyperventilation provocation test (HVPT)) · children with dysfunctional breathing/hyperventilation syndrome
Breathing exercises for dysfunctional breathing/hyperventilation syndrome in children (2013) · Cochrane
no estimate extractedNRNo studies