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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
Health‐related quality of life · participants with type 2 diabetes mellitus
Sulphonylurea monotherapy for patients with type 2 diabetes mellitus (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
All‐cause mortality a. Intervention vs metformin [a. 24 weeks to 4 years] b. Intervention vs thiazolidinediones [b. 24 weeks to 4 years] c. Intervention vs insulin [c. 9 months to 10 years] d. Intervention vs incretin‐based control [d. 52 weeks to... · participants with type 2 diabetes mellitus
Sulphonylurea monotherapy for patients with type 2 diabetes mellitus (2013) · Cochrane
RR 0.98 [0.61, 1.58]6 studies · 3528 participantsLow
Intervention NR
Cardiovascular mortality a. Intervention vs metformin [a. 24 weeks to 4 years] b. Intervention vs thiazolidinediones [b. 24 weeks to 4 years] c. Intervention vs insulin [c. 9 months to 10 years] d. Intervention vs meglitinide [d. 12 months to 17 m... · participants with type 2 diabetes mellitus
Sulphonylurea monotherapy for patients with type 2 diabetes mellitus (2013) · Cochrane
RR 1.47 [0.54, 4.01]6 studies · 3528 participantsLow
Ipomoea batatas (Caiapo) tablets vs placebo
Morbidity · people with type 2 diabetes mellitus
Sweet potato for type 2 diabetes mellitus (2013) · Cochrane
no estimate extractedNRNo studies
Ipomoea batatas (Caiapo) tablets vs placebo
Adverse effects · people with type 2 diabetes mellitus
Sweet potato for type 2 diabetes mellitus (2013) · Cochrane
no estimate extracted3 studies · 140 participantsVery low
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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo studies
Ipomoea batatas (Caiapo) tablets vs placebo
HbA1c [%] (final values) · people with type 2 diabetes mellitus
Sweet potato for type 2 diabetes mellitus (2013) · Cochrane
no estimate extracted2 studies · 122 participantsVery low
Intervention NR
Cardiovascular events · postmenopausal women with hypercholesterolaemia
Isoflavones for hypercholesterolaemia in adults (2013) · Cochrane
no estimate extractedNRNo studies
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
Adverse events [ · postmenopausal women with hypercholesterolaemia
Isoflavones for hypercholesterolaemia in adults (2013) · Cochrane
no estimate extracted5 studies · 208 participantsLow
Intervention NR
Low‐density lipoprotein (LDL) cholesterol [ · postmenopausal women with hypercholesterolaemia
Isoflavones for hypercholesterolaemia in adults (2013) · Cochrane
no estimate extracted3 studies · 132 participantsVery low
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
Intervention NR
Serum triglyceride concentrations (mmol/L) [ · participants with hypertriglyceridaemia
Chinese herbal medicines for hypertriglyceridaemia (2013) · Cochrane
no estimate extracted1 study · 60 participantsVery low
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
Adverse events · overweight or obese adults
Chromium picolinate supplementation for overweight or obese adults (2013) · Cochrane
no estimate extracted3 studies · 189 participantsLow
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
Weight loss [kg] · overweight or obese adults
Chromium picolinate supplementation for overweight or obese adults (2013) · Cochrane
no estimate extracted6 studies · 392 participantsLow
Intervention NR
Socioeconomic effects · overweight or obese adults
Chromium picolinate supplementation for overweight or obese adults (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 assessment of symptoms such as mood, fatigue and muscle weakness Short‐Form Health Survey · participants with Hashimoto's thyroiditis.
Selenium supplementation for Hashimoto's thyroiditis (2013) · Cochrane
RR 4.67 [1.61, 13.5]1 study · 36 participantsLow
Selenium (+LT4) vs placebo (+LT4)
Proportion of participants reporting an adverse event · participants with Hashimoto's thyroiditis.
Selenium supplementation for Hashimoto's thyroiditis (2013) · Cochrane
RR 2.71 [0.29, 25.66]3 studies · 258 participantsLow
Selenium (+LT4) vs placebo (+LT4)
Change from baseline in serum levels of anti‐thyroid peroxidase antibodies Decrease from 1508 to 25 IU/L · participants with Hashimoto's thyroiditis.
Selenium supplementation for Hashimoto's thyroiditis (2013) · Cochrane
no estimate extracted4 studies · 252 participantsLow
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
Intervention NR
Morbidity · Patients with type 2 diabetes mellitus
Self‐monitoring of blood glucose in patients with type 2 diabetes mellitus who are not using insulin (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · Patients with type 2 diabetes mellitus
Self‐monitoring of blood glucose in patients with type 2 diabetes mellitus who are not using insulin (2012) · Cochrane
no estimate extracted3 studies · 523 participantsModerate
Intervention NR
Well‐being · Patients with type 2 diabetes mellitus
Self‐monitoring of blood glucose in patients with type 2 diabetes mellitus who are not using insulin (2012) · Cochrane
no estimate extracted4 studies · 928 participantsModerate
Intervention NR
Patient satisfaction · Patients with type 2 diabetes mellitus
Self‐monitoring of blood glucose in patients with type 2 diabetes mellitus who are not using insulin (2012) · Cochrane
no estimate extracted4 studies · 928 participantsModerate
Intervention NR
Hypoglycaemic episodes · Patients with type 2 diabetes mellitus
Self‐monitoring of blood glucose in patients with type 2 diabetes mellitus who are not using insulin (2012) · Cochrane
no estimate extracted6 studies · 2492 participantsModerate
Intervention NR
Costs · Patients with type 2 diabetes mellitus
Self‐monitoring of blood glucose in patients with type 2 diabetes mellitus who are not using insulin (2012) · Cochrane
no estimate extracted2 studies · 514 participantsModerate
Intervention NR
HbA1c [%] · Patients with type 2 diabetes mellitus
Self‐monitoring of blood glucose in patients with type 2 diabetes mellitus who are not using insulin (2012) · Cochrane
no estimate extracted9 studies · 2324 participantsModerate
Intervention NR
All‐cause mortality (ticlopidine vs placebo) · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
RR 1.29 [0.71, 2.32]1 study · 335 participantsModerate
Intervention NR
Vascular mortality (ticlopidine vs placebo) · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
RR 0.94 [0.47, 1.88]1 study · 335 participantsModerate
Intervention NR
Myocardial infarction (fatal and non‐fatal) (ticlopidine vs placebo) · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
RR 0.78 [0.39, 1.57]1 study · 335 participantsModerate
Intervention NR
Stroke (fatal and non‐fatal) (a. ticlopidine vs aspirin) (b. clopidogrel vs aspirin & dipyramidole) · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
RR 0.56 [0.37, 0.94]1 study · 597 participantsModerate
Intervention NR
Health‐related quality of life · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Costs · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Death from any cause ( · patients with diabetes mellitus
Cinnamon for diabetes mellitus (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Morbidity ( · patients with diabetes mellitus
Cinnamon for diabetes mellitus (2012) · Cochrane
no estimate extractedNRNo studies