Findings

What do systematic reviews say?

93 questions · 100 findings · 9 reviews · Metabolic and Endocrine Disorders · Headline outcomes only

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No studies found 36 · 36%GRADE not reported 0 · 0%Very low 38 · 38%Low 16 · 16%Moderate 10 · 10%High 0 · 0%

Diet vs physical activity or standard treatment

Serious adverse events · people at increased risk for developing type 2 diabetes

1 finding from 1 review

Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
no estimate extracted
1 study · 530 participants
Very low

Diet vs physical activity or standard treatment

Cardiovascular mortality · people at increased risk for developing type 2 diabetes

1 finding from 1 review

Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
no estimate extracted
1 study · 530 participants
Very low

Diet vs physical activity or standard treatment

Non‐fatal myocardial infarction/stroke · people at increased risk for developing type 2 diabetes

The review found no eligible studies for this question.

1 finding from 1 review

Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Diet vs physical activity or standard treatment

Health‐related quality of life · people at increased risk for developing type 2 diabetes

The review found no eligible studies for this question.

1 finding from 1 review

Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Diet vs physical activity or standard treatment

Socioeconomic effects · people at increased risk for developing type 2 diabetes

The review found no eligible studies for this question.

1 finding from 1 review

Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Diet vs physical activity or standard treatment

All‐cause mortality · people at increased risk for developing type 2 diabetes

1 finding from 1 review

Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
no estimate extracted
1 study · 530 participants
Very low

Diet vs physical activity or standard treatment

Development of type 2 diabetes · people at increased risk for developing type 2 diabetes

1 finding from 1 review

Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications… 2017 · Cochrane Headline outcomes only
no estimate extracted
1 study · 530 participants
Very low

Low glycaemic index (GI) or glycaemic load (GL) diets vs higher GI or GL diets

Weight (kg) · Adults or children with overweight or obesity

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
7 studies · 403 participants
Moderate

Low glycaemic index (GI) or glycaemic load (GL) diets vs higher GI or GL diets

Body‐mass index (BMI) · Adults or children with overweight or obesity

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 186 participants
Low

Low glycaemic index (GI) or glycaemic load (GL) diets vs higher GI or GL diets

Adverse events (n/N) · Adults or children with overweight or obesity

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 106 participants
Very low

Low glycaemic index (GI) or glycaemic load (GL) diets vs higher GI or GL diets

Health‐related quality of life Scale · Adults or children with overweight or obesity

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
1 study · 42 participants
Very low

Low glycaemic index (GI) or glycaemic load (GL) diets vs higher GI or GL diets

All‐cause mortality · Adults or children with overweight or obesity

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low glycaemic index (GI) or glycaemic load (GL) diets vs any other diet

All‐cause mortality · Adults or children with overweight or obesity

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low glycaemic index (GI) or glycaemic load (GL) diets vs any other diet

Weight (kg) · Adults or children with overweight or obesity

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 723 participants
Moderate

Low glycaemic index (GI) or glycaemic load (GL) diets vs any other diet

Body‐mass index (BMI) · Adults or children with overweight or obesity

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 650 participants
Moderate

Low glycaemic index (GI) or glycaemic load (GL) diets vs any other diet

Adverse events (n/N) · Adults or children with overweight or obesity

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 682 participants
Low

Low glycaemic index (GI) or glycaemic load (GL) diets vs any other diet

Health‐related quality of life · Adults or children with overweight or obesity

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index or low glycaemic load diets for people with overweight or obesity 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Summary of findings table for metformin plus intensive diet and exercise vs intensive diet and exercise

All‐cause mortality · people at increased risk for developing type 2 diabetes

1 finding from 1 review

Metformin for prevention or delay of type 2 diabetes mellitus and its associated complications in persons at increased… 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 450 participants
Very low

Summary of findings table for metformin plus intensive diet and exercise vs intensive diet and exercise

Development of type 2 diabetes · people at increased risk for developing type 2 diabetes

It is very uncertain whether summary of findings table for metformin plus intensive diet and… changes incidence of type 2 diabetes mellitus (N) Diagnostic criteria: 2… compared with intensive diet and exercise (very low certainty).

1 finding from 1 review

Metformin for prevention or delay of type 2 diabetes mellitus and its associated complications in persons at increased… 2019 · Cochrane Headline outcomes only
RR 0.55 [0.1, 2.92]
2 studies · 332 participants
Very low

Summary of findings table for metformin plus intensive diet and exercise vs intensive diet and exercise

Serious adverse events · people at increased risk for developing type 2 diabetes

The review found no eligible studies for this question.

1 finding from 1 review

Metformin for prevention or delay of type 2 diabetes mellitus and its associated complications in persons at increased… 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found