Evidence map›Paper›PMID 41094311›Full record

SynthesisEuropean journal of nutrition2025

Nordic diet and chronic disease: a GRADE-assessed systematic review and meta-analysis of prospective cohorts and randomized controlled trials.

Farnush Bakhshimoghaddam, Sima Jafarirad, Maryam Parsanahad

Abstract readSystematic ReviewMeta-Analysis
PubMed Publisher
In one paragraph

Synthesis in European journal of nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Farnush BakhshimoghaddamStudent Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. farnushbakhshimoghadam@gmail.com.
Sima JafariradNutrition and Metabolic Diseases Research Center, Clinical Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
Maryam ParsanahadStudent Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThis study aimed to evaluate the association between adherence to the Nordic diet and risks of mortality, chronic disease incidence, and cardiometabolic markers, using a GRADE-assessed systematic review and dose-response meta-analysis of prospective cohort studies and randomized controlled trials (RCTs).

methodsWe conducted a comprehensive systematic review and meta-analysis, searching PubMed, Scopus, and ISI Web of Science through April 10, 2025. Our analysis included 32 prospective cohort studies and 15 RCTs examining Nordic diet adherence and health outcomes. We calculated pooled relative risks (RRs) and weighted mean differences using random-effects or fixed-effects models, assessed heterogeneity with Cochran's Q test and I

resultsIn prospective cohort studies, individuals with higher adherence to the Nordic dietary pattern had lower risks of all-cause mortality (RR 0.78, 95% confidence interval [CI] 0.71-0.86), cardiovascular mortality (RR 0.84, 95% CI 0.79-0.80), cancer mortality (RR 0.86, 95% CI 0.81-0.91), and other-cause mortality (RR 0.69, 95% CI 0.60-0.79) compared to those with lower adherence. Similarly, higher adherence was associated with reduced incidence of type 2 diabetes (12% lower risk), cardiovascular disease (8%), coronary heart disease (11%), stroke (12%), and cancer (16%). In RCTs, participants assigned to the Nordic diet showed significant improvements in fasting glucose, insulin, lipids, and blood pressure compared to control diets. However, no effects were observed for high-density lipoprotein cholesterol, apolipoprotein A1, or C-reactive protein.

conclusionThis comprehensive analysis demonstrates that the Nordic diet significantly reduces mortality risk and the incidence of chronic diseases while improving cardiometabolic markers.

Indexed as

DietCardiovascular DiseasesChronic DiseaseFemaleHumansMaleMiddle AgedProspective StudiesRandomized Controlled Trials as TopicScandinavian and Nordic CountriesCardiovascular diseasesCohort studiesDiabetes mellitusDietary patternsNordic dietRandomized controlled trial

Identifiers

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.