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%

Dietary interventions vs control

All‐cause mortality · people living beyond cancer

Dietary intervention showed no clear difference in mortality compared with control (low certainty).

1 finding from 1 review

Dietary interventions for adult cancer survivors 2019 · Cochrane Headline outcomes only
HR 0.98 [0.77, 1.23]
1 study · 3107 participants
Low

Dietary interventions vs control

Secondary cancers · people living beyond cancer

Dietary intervention showed no clear difference in secondary cancers compared with control (low certainty).

1 finding from 1 review

Dietary interventions for adult cancer survivors 2019 · Cochrane Headline outcomes only
RR 0.99 [0.84, 1.15]
1 study · 3107 participants
Low

Dietary interventions vs control

Children's fruit and vegetable intake (servings/d) Measured by food frequency questionnaire · people living beyond cancer

1 finding from 1 review

Dietary interventions for adult cancer survivors 2019 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 834 participants
Moderate

Dietary interventions vs control

Fibre intake assessed as g · people living beyond cancer

1 finding from 1 review

Dietary interventions for adult cancer survivors 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 3127 participants
Very low

Dietary interventions vs control

Body‐mass index (BMI) · people living beyond cancer

1 finding from 1 review

Dietary interventions for adult cancer survivors 2019 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 777 participants
Moderate

Dietary interventions vs control

Waist‐to‐hip circumference assessed as cm · people living beyond cancer

1 finding from 1 review

Dietary interventions for adult cancer survivors 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 106 participants
Low

Ketogenic diet (KD) vs other KDs

Seizure freedom · children (aged 4 months to 16 years) with drug‐resistant epilepsy

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 286 participants
Very low

Ketogenic diet (KD) vs other KDs

50% or greater reduction in seizure frequency · children (aged 4 months to 16 years) with drug‐resistant epilepsy

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 286 participants
Very low

Ketogenic diet (KD) vs other KDs

Adverse effects · children (aged 4 months to 16 years) with drug‐resistant epilepsy

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 286 participants
Very low

Ketogenic diet (KD) vs other KDs

Cognition and behaviour · children (aged 4 months to 16 years) with drug‐resistant epilepsy

The review found no eligible studies for this question.

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Ketogenic diet (KD) vs other KDs

Quality of life · children (aged 4 months to 16 years) with drug‐resistant epilepsy

The review found no eligible studies for this question.

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Ketogenic diet (KD) vs other KDs

Attrition rate · children (aged 4 months to 16 years) with drug‐resistant epilepsy

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 286 participants
Very low

Ketogenic diet (KD) vs other KDs

Seizure freedom · adults (aged 18 years and over) with drug‐resistant epilepsy

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 80 participants
Very low

Ketogenic diet (KD) vs other KDs

50% or greater reduction in seizure frequency · adults (aged 18 years and over) with drug‐resistant epilepsy

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 80 participants
Very low

Ketogenic diet (KD) vs other KDs

Adverse effects · adults (aged 18 years and over) with drug‐resistant epilepsy

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 80 participants
Very low

Ketogenic diet (KD) vs other KDs

Cognition and behaviour · adults (aged 18 years and over) with drug‐resistant epilepsy

The review found no eligible studies for this question.

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Ketogenic diet (KD) vs other KDs

Quality of life · adults (aged 18 years and over) with drug‐resistant epilepsy

The review found no eligible studies for this question.

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Ketogenic diet (KD) vs other KDs

Attrition rate · adults (aged 18 years and over) with drug‐resistant epilepsy

1 finding from 1 review

Ketogenic diets for drug‐resistant epilepsy 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 80 participants
Very low

Dietary interventions vs standard practice

School achievement: Average achievement across subjects taught at school · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 382 participants
Low

Dietary interventions vs standard practice

School achievement: Mathematics · Children and adolescents with obesity or overweight

1 finding from 1 review

Physical activity, diet and other behavioural interventions for improving cognition and school achievement in children… 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 76 participants
Low