Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional study

Background and aimsFruits 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 patie...

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Main Authors: Kiana Tadbir Vajargah, Nikan Zargarzadeh, Armin Ebrahimzadeh, Seyed Mohammad Mousavi, Parnia Mobasheran, Pari Mokhtari, Habib Rahban, Mihnea-Alexandru Găman, Camellia Akhgarjand, Mohsen Taghizadeh, Alireza Milajerdi
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-09-01
Series:Frontiers in Nutrition
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnut.2022.934568/full
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author Kiana Tadbir Vajargah
Nikan Zargarzadeh
Armin Ebrahimzadeh
Seyed Mohammad Mousavi
Parnia Mobasheran
Pari Mokhtari
Habib Rahban
Habib Rahban
Mihnea-Alexandru Găman
Mihnea-Alexandru Găman
Camellia Akhgarjand
Mohsen Taghizadeh
Alireza Milajerdi
author_facet Kiana Tadbir Vajargah
Nikan Zargarzadeh
Armin Ebrahimzadeh
Seyed Mohammad Mousavi
Parnia Mobasheran
Pari Mokhtari
Habib Rahban
Habib Rahban
Mihnea-Alexandru Găman
Mihnea-Alexandru Găman
Camellia Akhgarjand
Mohsen Taghizadeh
Alireza Milajerdi
author_sort Kiana Tadbir Vajargah
collection DOAJ
description Background and aimsFruits 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.MethodsA 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.ResultsThe 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, P-trend <0.001), vegetables (OR: 0.33; 95% CI: 0.16-0.69, P-trend <0.001), and dietary fiber (OR: 0.25; 95% CI: 0.12-0.53, P-trend <0.001) had lower odds of having severe COVID-19. In addition, they had shorter hospitalization and convalescence periods, lower serum C-reactive protein (CRP), and a reduced risk of developing COVID-19 symptoms such as sore throat, nausea and vomiting, dyspnea, myalgia, cough, weakness, fever, and chills.ConclusionHigher 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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spelling doaj.art-3477fc9aa9c44fe2a229860192c17d4e2022-12-22T03:48:18ZengFrontiers Media S.A.Frontiers in Nutrition2296-861X2022-09-01910.3389/fnut.2022.934568934568Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional studyKiana Tadbir Vajargah0Nikan Zargarzadeh1Armin Ebrahimzadeh2Seyed Mohammad Mousavi3Parnia Mobasheran4Pari Mokhtari5Habib Rahban6Habib Rahban7Mihnea-Alexandru Găman8Mihnea-Alexandru Găman9Camellia Akhgarjand10Mohsen Taghizadeh11Alireza Milajerdi12School of Medicine, Tehran University of Medical Sciences, Tehran, IranSchool of Medicine, Tehran University of Medical Sciences, Tehran, IranResearch Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, IranDepartment of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, IranDepartment of Pharmacology and Experimental Therapeutics, Louisiana State University Health Sciences Center, New Orleans, LA, United StatesDepartment of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, United StatesCardiovascular Research Foundation of Southern California, Beverly Hills, CA, United StatesSouthern California Medical Education Consortium, Temecula Valley Hospital, Universal Health System, Temecula, CA, United StatesFaculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, Bucharest, RomaniaCenter of Hematology and Bone Marrow Transplantation, Fundeni Clinical Institute, Bucharest, RomaniaDepartment of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, IranResearch Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, IranResearch Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, IranBackground and aimsFruits 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.MethodsA 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.ResultsThe 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, P-trend <0.001), vegetables (OR: 0.33; 95% CI: 0.16-0.69, P-trend <0.001), and dietary fiber (OR: 0.25; 95% CI: 0.12-0.53, P-trend <0.001) had lower odds of having severe COVID-19. In addition, they had shorter hospitalization and convalescence periods, lower serum C-reactive protein (CRP), and a reduced risk of developing COVID-19 symptoms such as sore throat, nausea and vomiting, dyspnea, myalgia, cough, weakness, fever, and chills.ConclusionHigher 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.https://www.frontiersin.org/articles/10.3389/fnut.2022.934568/fullfruitsvegetablesdietary fiberCOVID-19severe diseaseinfectious disease
spellingShingle Kiana Tadbir Vajargah
Nikan Zargarzadeh
Armin Ebrahimzadeh
Seyed Mohammad Mousavi
Parnia Mobasheran
Pari Mokhtari
Habib Rahban
Habib Rahban
Mihnea-Alexandru Găman
Mihnea-Alexandru Găman
Camellia Akhgarjand
Mohsen Taghizadeh
Alireza Milajerdi
Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional study
Frontiers in Nutrition
fruits
vegetables
dietary fiber
COVID-19
severe disease
infectious disease
title Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional study
title_full Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional study
title_fullStr Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional study
title_full_unstemmed Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional study
title_short Association of fruits, vegetables, and fiber intake with COVID-19 severity and symptoms in hospitalized patients: A cross-sectional study
title_sort association of fruits vegetables and fiber intake with covid 19 severity and symptoms in hospitalized patients a cross sectional study
topic fruits
vegetables
dietary fiber
COVID-19
severe disease
infectious disease
url https://www.frontiersin.org/articles/10.3389/fnut.2022.934568/full
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