Findings

What do systematic reviews say?

252 questions · 271 findings · 20 reviews

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No studies found 39 · 14.4%GRADE not reported 31 · 11.4%Very low 53 · 19.6%Low 86 · 31.7%Moderate 45 · 16.6%High 17 · 6.3%

Intervention diet vs control

Body‐mass index (BMI) · children aged 13‐18 years

1 finding from 1 review

Interventions for preventing obesity in children 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 294 participants
Low

Dietary interventions vs usual care

Percentage of participants reaching PASI 75 · psoriasis

Dietary intervention may leads to higher severity of psoriasis PASI 75 (the proportion of participants… compared with usual care (low certainty).

1 finding from 1 review

Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
RR 1.66 [1.07, 2.58]
2 studies · 323 participants
Low

Dietary interventions vs usual care

Participant adherence to intervention · psoriasis

Dietary intervention showed no clear difference in adherence to the intervention compared with usual care (low certainty).

1 finding from 1 review

Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
RR 1.26 [0.76, 2.09]
2 studies · 105 participants
Low

Dietary interventions vs usual care

Change in DLQI score (LOCF) · psoriasis

1 finding from 1 review

Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 36 participants
Moderate

Dietary interventions vs usual care

Time to relapse Not measured · psoriasis

The review found no eligible studies for this question.

1 finding from 1 review

Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Dietary interventions vs usual care

Change in BMI · psoriasis

1 finding from 1 review

Lifestyle changes for treating psoriasis 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 78 participants
Moderate

Mediterranean dietary intervention vs no intervention or minimal intervention

CVD mortality · adults without cardiovascular disease

The review found no eligible studies for this question.

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Mediterranean dietary intervention vs no intervention or minimal intervention

Total mortality · adults without cardiovascular disease

The review found no eligible studies for this question.

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Mediterranean dietary intervention vs usual care

CVD mortality · adults with established cardiovascular disease

Mediterranean dietary intervention may leads to lower CVD mortality compared with usual care (low certainty).

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
RR 0.35 [0.15, 0.82]
1 study · 605 participants
Low

Mediterranean dietary intervention vs usual care

Total mortality · adults with established cardiovascular disease

Mediterranean dietary intervention may leads to lower total mortality compared with usual care (low certainty).

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
RR 0.44 [0.21, 0.92]
1 study · 605 participants
Low

Mediterranean dietary intervention vs usual care

Total cholesterol (mmol/L), change from baseline · adults with established cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 441 participants
Low

Mediterranean dietary intervention vs usual care

LDL cholesterol (mmol/L), change from baseline · adults with established cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 441 participants
Low

Mediterranean dietary intervention vs usual care

HDL cholesterol (mmol/L), change from baseline · adults with established cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 441 participants
Low

Mediterranean dietary intervention vs usual care

Triglycerides (mmol/L), change from baseline · adults with established cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 441 participants
Low

Mediterranean dietary intervention vs usual care

Systolic blood pressure (mmHg), change from baseline · adults with established cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 339 participants
Very low

Mediterranean dietary intervention vs usual care

Diastolic blood pressure (mmHg), change from baseline · adults with established cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 339 participants
Very low

Mediterranean dietary intervention vs no intervention or minimal intervention

Total cholesterol (mmol/L), change from baseline · adults without cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 569 participants
Low

Mediterranean dietary intervention vs usual care

Adverse events · adults with established cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 605 participants
Low

Mediterranean dietary intervention vs no intervention or minimal intervention

LDL cholesterol (mmol/L), change from baseline · adults without cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 389 participants
Very low

Mediterranean dietary intervention vs no intervention or minimal intervention

HDL cholesterol (mmol/L), change from baseline · adults without cardiovascular disease

1 finding from 1 review

Mediterranean‐style diet for the primary and secondary prevention of cardiovascular disease 2019 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 569 participants
Low