Findings

What do systematic reviews say?

1,100 questions · 1,164 findings · 107 reviews

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No studies found 280 · 24.1%GRADE not reported 159 · 13.7%Very low 292 · 25.1%Low 274 · 23.5%Moderate 113 · 9.7%High 46 · 4%

Physical activity vs usual care

Non‐fatal myocardial infarction/stroke · 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 · 123 participants
Very low

Physical activity vs usual care

General health‐related quality of life · 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 · 123 participants
Very low

Physical activity vs usual care

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

Low GI vs high GI

Total and cardiovascular mortality · overweight or obese adults

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Unstable angina · Adults with coronary heart disease

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Coronary artery bypass graft surgery · Adults with coronary heart disease

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Percutaneous transluminal coronary angioplasty · Adults with coronary heart disease

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Stroke · Adults with coronary heart disease

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Adverse events · Adults with coronary heart disease

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Fatal or nonfatal myocardial infarction · overweight or obese adults

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Unstable angina · overweight or obese adults

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Coronary artery bypass graft surgery · overweight or obese adults

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Percutaneous transluminal coronary angioplasty · overweight or obese adults

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Stroke · overweight or obese adults

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Adverse eventsMeasurement unclear · overweight or obese adults

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 38 participants
Low

Low GI vs high GI

Total and cardiovascular mortality · Adults with coronary heart disease

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low GI vs high GI

Fatal or nonfatal myocardial infarction · Adults with coronary heart disease

The review found no eligible studies for this question.

1 finding from 1 review

Low glycaemic index diets for the prevention of cardiovascular disease 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Probiotics vs placebo

Pain frequency or change in pain frequency · Children with recurrent abdominal pain

1 finding from 1 review

Dietary interventions for recurrent abdominal pain in childhood 2017 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 523 participants
Low

Probiotics vs placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Children with recurrent abdominal pain

1 finding from 1 review

Dietary interventions for recurrent abdominal pain in childhood 2017 · Cochrane Headline outcomes only
no estimate extracted
7 studies · 575 participants
Low

Probiotics vs placebo

Relief of pain · Children with recurrent abdominal pain

Probiotics probably leads to higher improvement in pain: 0 to 3 months' postintervention Different… compared with placebo (moderate certainty).

2 findings from 1 review

Dietary interventions for recurrent abdominal pain in childhood 2017 · Cochrane Headline outcomes only
OR 1.63 [1.07, 2.47]
7 studies · 722 participants
Moderate
Dietary interventions for recurrent abdominal pain in childhood 2017 · Cochrane Headline outcomes only
OR 1.94 [1.1, 3.43]
2 studies · 224 participants
Moderate