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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)

1,105 questions in 84 reviews · Metabolic and Endocrine Disorders

current versions
No studies 434 · 39.3%Ungraded 32 · 2.9%Very low 246 · 22.3%Low 237 · 21.4%Moderate 132 · 11.9%High 24 · 2.2%

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
Cardiovascular mortality · 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 extracted1 study · 274 participantsVery low
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
Intervention NR
All‐cause mortality · 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 extracted1 study · 9306 participantsModerate
Intervention NR
Incidence of type 2 diabetes mellitus Defined as: fasting plasma glucose ≥ 7.0 mmol/L (126 mg/dL) or a 2‐hour blood glucose after a glucose‐load test ≥ 11.1 mmol/L (200 mg/dL) or by an adjudication committeeb · 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 extracted1 study · 9306 participantsModerate
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
Severe hypoglycaemic episodes (heterogeneous definitions of severe hypoglycaemia)
Short‐acting insulin analogues versus regular human insulin for adults with type 1 diabetes mellitus (2016) · Cochrane
OR 0.89 [0.71, 1.12]7 studies · 2459 participantsVery low
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
HbA1c at end of
Short‐acting insulin analogues versus regular human insulin for adults with type 1 diabetes mellitus (2016) · Cochrane
no estimate extracted9 studies · 2608 participantsLow
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
Intervention NR
a. BMI (kg/m2) · obese children and adolescents
Drug interventions for the treatment of obesity in children and adolescents (2016) · Cochrane
no estimate extracted16 studies · 1884 participantsLow
Intervention NR
Adverse events a. Serious adverse events b. Discontinuation of trial because of adverse events · obese children and adolescents
Drug interventions for the treatment of obesity in children and adolescents (2016) · Cochrane
RR 1.43 [0.63, 3.25]5 studies · 1347 participantsLow
Intervention NR
Health‐related quality of life 3 questionnaires (1 trial) and SF‐36 (1 trial) · obese children and adolescents
Drug interventions for the treatment of obesity in children and adolescents (2016) · Cochrane
no estimate extracted2 studies · 86 participantsLow
Intervention NR
All‐cause mortality · obese children and adolescents
Drug interventions for the treatment of obesity in children and adolescents (2016) · Cochrane
no estimate extracted20 studies · 2176 participantsModerate
Intervention NR
Morbidity · obese children and adolescents
Drug interventions for the treatment of obesity in children and adolescents (2016) · Cochrane
no estimate extracted1 study · 533 participantsLow
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
Intervention NR
Incidence of type 2 diabetes mellitus · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Diabetic complications · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
All‐cause mortality · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Total or near‐total thyroidectomy vs subtotal thyroidectomy
All‐cause mortality
Total or near‐total thyroidectomy versus subtotal thyroidectomy for multinodular non‐toxic goitre in adults (2015) · Cochrane
no estimate extracted4 studies · 1284 participantsModerate
Total or near‐total thyroidectomy vs subtotal thyroidectomy
a)Goitre recurrence b)Re‐intervention due to goitre recurrence
Total or near‐total thyroidectomy versus subtotal thyroidectomy for multinodular non‐toxic goitre in adults (2015) · Cochrane
OR 0.05 [0.01, 0.21]3 studies · 1057 participantsModerate
Total or near‐total thyroidectomy vs subtotal thyroidectomy
Adverse events: a) Permanent recurrent laryngeal nerve palsy b) Permanent hypoparathyroidism
Total or near‐total thyroidectomy versus subtotal thyroidectomy for multinodular non‐toxic goitre in adults (2015) · Cochrane
OR 1.28 [0.38, 4.36]4 studies · 1275 participantsLow
Total or near‐total thyroidectomy vs subtotal thyroidectomy
Thyroid cancer incidence
Total or near‐total thyroidectomy versus subtotal thyroidectomy for multinodular non‐toxic goitre in adults (2015) · Cochrane
OR 1.32 [0.81, 2.15]3 studies · 1134 participantsLow
Total or near‐total thyroidectomy vs subtotal thyroidectomy
Health‐related quality of life
Total or near‐total thyroidectomy versus subtotal thyroidectomy for multinodular non‐toxic goitre in adults (2015) · Cochrane
no estimate extractedNRNo studies
Total or near‐total thyroidectomy vs subtotal thyroidectomy
Socioeconomic effects
Total or near‐total thyroidectomy versus subtotal thyroidectomy for multinodular non‐toxic goitre in adults (2015) · Cochrane
no estimate extractedNRNo studies
Total thyroidectomy vs subtotal thyroidectomy
Rate of recurrent hyperthyroidism [measured by thyroid function tests]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 0.14 [0.04, 0.46]2 studies · 350 participantsModerate
Total thyroidectomy vs bilateral subtotal thyroidectomy
Permanent recurrent laryngeal nerve palsy [patient reported, confirmation by laryngoscopy]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 1 [0.14, 7.15]2 studies · 300 participantsLow
Total thyroidectomy vs bilateral subtotal thyroidectomy
Permanent hypocalcaemia/hypoparathyroidism [measured by serum calcium levels]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 2.04 [0.53, 7.85]2 studies · 300 participantsLow
Total thyroidectomy vs bilateral subtotal thyroidectomy
All‐cause mortality
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extracted2 studies · 300 participantsUngraded
Total thyroidectomy vs bilateral subtotal thyroidectomy
Health‐related quality of life
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extractedNRNo studies
Total thyroidectomy vs bilateral subtotal thyroidectomy
Socioeconomic effects
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extractedNRNo studies
Bilateral subtotal thyroidectomy vs the Dunhill procedure
R ate of recurrent hyperthyroidism [measured by thyroid function tests]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 2.73 [1.28, 5.85]3 studies · 592 participantsLow
Bilateral subtotal thyroidectomy vs the Dunhill procedure
Regression of Graves' ophthalmopathy [ophthalmology assessment]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 0.78 [0.32, 1.92]2 studies · 90 participantsLow
Bilateral subtotal thyroidectomy vs the Dunhill procedure
Permanent recurrent laryngeal nerve palsy [patient reported, confirmation by laryngoscopy]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 0.14 [0, 6.82]3 studies · 592 participantsLow
Bilateral subtotal thyroidectomy vs the Dunhill procedure
Permanent hypocalcaemia/hypoparathyroidism [measured by serum calcium levels]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 1.9 [0.47, 7.71]3 studies · 592 participantsLow
Bilateral subtotal thyroidectomy vs the Dunhill procedure
All‐cause mortality
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extracted3 studies · 642 participantsUngraded
Total thyroidectomy vs subtotal thyroidectomy
Regression of Graves' ophthalmopathy [ophthalmology assessment]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 1.15 [0.64, 2.08]2 studies · 229 participantsLow
Bilateral subtotal thyroidectomy vs the Dunhill procedure
Health‐related quality of life
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extractedNRNo studies
Bilateral subtotal thyroidectomy vs the Dunhill procedure
Socioeconomic effects
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extractedNRNo studies
Total thyroidectomy vs subtotal thyroidectomy
Permanent recurrent laryngeal nerve palsy [patient reported, confirmation by laryngoscopy]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 1.45 [0.38, 5.59]3 studies · 393 participantsLow
Total thyroidectomy vs subtotal thyroidectomy
Permanent hypocalcaemia/hypoparathyroidism [measured by serum calcium levels]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 4.79 [1.36, 16.83]3 studies · 393 participantsLow
Total thyroidectomy vs subtotal thyroidectomy
All‐cause mortality
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extracted1 study · 350 participantsUngraded
Total thyroidectomy vs subtotal thyroidectomy
Health‐related quality of life
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extractedNRNo studies
Total thyroidectomy vs subtotal thyroidectomy
Socioeconomic effects
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
no estimate extractedNRNo studies