ArticleFrontiers in nutrition2022
Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional study.
Article in Frontiers in nutrition, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.
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Who cites it
16 citing papers in PubMed, 1 synthesis or guideline pooled it, 28 citations in OpenAlex.
- Diet Quality and Risk of SARS-CoV-2 Infection or COVID-19: A Systematic Review of Observational Studies.Advances in nutrition (Bethesda, Md.) · 2023Pooled it
- Observational
- Do Diet, Oral Hygiene, and Sleep Habits Correlate with Severe COVID-19?International journal of preventive medicine · 2026Article
- Airway immunometabolic responses during pulmonary bacterial and viral infections.Cell reports · 2025Review
- Plant-Based Diets and Climate Change, A Perspective for Infectious Disease Providers.Open forum infectious diseases · 2025Review
- Article
- Unhealthy Food Consumption Is Associated with Post-Acute Sequelae of COVID-19 in Brazilian Elderly People.Infectious disease reports · 2025Article
- The association between nutrient patterns and hospital stay duration and symptoms in COVID-19 in Iranian patients: cross-sectional study.Frontiers in nutrition · 2025Article
- Symptom Severity and Duration of COVID-19 Are Correlated with the Healthy Eating Index (HEI) Among Hospitalized Elderly Patients.Medical journal of the Islamic Republic of Iran · 2025Article
- Observational
- GWAS-significant loci and severe COVID-19: analysis of associations, link with thromboinflammation syndrome, gene-gene, and gene-environmental interactions.Frontiers in genetics · 2024Article
- Possible roles of phytochemicals with bioactive properties in the prevention of and recovery from COVID-19.Frontiers in nutrition · 2024Article
- The Intersection Between COVID-19, Cardiovascular Disease, and Diet: a Review.Current atherosclerosis reports · 2023Review
- The association between dietary intakes of zinc, vitamin C and COVID-19 severity and related symptoms: A cross-sectional study.Clinical nutrition ESPEN · 2023Article
- The Role of Diet and Specific Nutrients during the COVID-19 Pandemic: What Have We Learned over the Last Three Years?International journal of environmental research and public health · 2023Review
- The Global Impact of COVID-19: Historical Development, Molecular Characterization, Drug Discovery and Future Directions.Clinical pathology (Thousand Oaks, Ventura County, Calif.)Review
Corrections and comments
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Authors and funding
11 authors at 6 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background and aims: Fruits and vegetables are rich in fiber and a good source of anti-inflammatory and immune-boosting vitamins, minerals, and antioxidants. We investigated the association between fruits, vegetables, and fiber intake and severity of COVID-19 and related symptoms in hospitalized patients. Methods: A total of 250 COVID-19 hospitalized patients aged 18 to 65 years were recruited for this cross-sectional study in Kashan, Iran, between June and September of 2021. Dietary intakes were assessed using an online validated 168-item food frequency questionnaire (FFQ). COVID-19 severity and symptoms were evaluated using the National Institutes of Health (NIH) COVID-19 Treatment Guidelines. Moreover, we examined COVID-19 symptoms, inflammatory biomarkers, and additional factors. Results: The mean age of participants was 44.2 ± 12.1 years, and 46% had severe COVID-19. Patients with higher consumption of fruits (OR: 0.28; 95% CI: 0.14-0.58, Conclusion: Higher consumption of fruits, vegetables, and fiber was inversely linked with COVID-19 severity, clinical symptoms, hospitalization and convalescence duration, and CRP concentrations. The results should be interpreted with caution in light of the limitations, and prospective cohort studies are required to further evaluate these findings.
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