ArticleAlimentary pharmacology & therapeutics2020
Editorial: low population mortality from COVID-19 in countries south of latitude 35 degrees North supports vitamin D as a factor determining severity.
Article in Alimentary pharmacology & therapeutics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 125 papers, 7 of them syntheses that pooled 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.
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.
Who cites it
125 citing papers in PubMed, 7 syntheses or guidelines pooled it.
- Changes in 25-hydroxyvitamin D levels post-vitamin D supplementation in people of Black and Asian ethnicities and its implications during COVID-19 pandemic: A systematic review.Journal of human nutrition and dietetics : the official journal of the British Dietetic Association · 2022Pooled it
- Pooled it
- Pooled it
- The link between COVID-19 and VItamin D (VIVID): A systematic review and meta-analysis.Metabolism: clinical and experimental · 2021Pooled it
- The role of vitamin D deficiency on COVID-19: a systematic review and meta-analysis of observational studies.Epidemiology and health · 2021Pooled it
- Could Vitamins Help in the Fight Against COVID-19?Nutrients · 2020Pooled it
- [COVID-19 and fragility hip fracture. Joint recommendations of the Spanish Society of Osteoporotic Fractures and the Spanish Society of Geriatrics and Gerontology].Revista espanola de geriatria y gerontologiaGuideline
- Ten-Year Trends in Serum 25-Hydroxyvitamin D in Slovenia (2014-2023): Laboratory-Based Data from Tested Individuals and COVID-19-Period Changes.Nutrients · 2026Article
- The Importance of Vitamin D and Magnesium in Athletes.Nutrients · 2025Review
- Early pandemic associations of latitude, sunshine duration, and vitamin D status with COVID-19 incidence and fatalities: A global analysis of 187 Countries.PLOS global public health · 2025Article
- COVID-19 in Children and Vitamin D.International journal of molecular sciences · 2024Review
- Severe COVID-19: Drugs and Clinical Trials.Journal of clinical medicine · 2023Review
- Conception and reality: Outcome of SARS-CoV-2 infection and vaccination among Hungarian IBD patients on biologic treatments.Vaccine: X · 2023Article
- Article
- The Impact of the COVID-19 Pandemic on an Israeli Acute Care Surgery Unit: Fewer Patients, More Disease.The American surgeon · 2022Article
- The Efficacious Benefit of 25-Hydroxy Vitamin D to Prevent COVID-19: An In-Silico Study Targeting SARS-CoV-2 Spike Protein.Nutrients · 2022Article
- Effect of Vitamin D Concentration on Course of COVID-19.Medical science monitor : international medical journal of experimental and clinical research · 2022Article
- The ratio of serum LL-37 levels to blood leucocyte count correlates with COVID-19 severity.Scientific reports · 2022Article
- Vitamin D deficiency is associated with higher risks for SARS-CoV-2 infection and COVID-19 severity: a retrospective case-control study.Internal and emergency medicine · 2022Article
- Dietary supplements for the management of COVID-19 symptoms.Journal of preventive medicine and hygiene · 2022Review
65 more citing papers are in PubMed but not listed here.
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Authors and funding
4 authors.
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Abstract
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What OpenQuestion holds
Registered trials
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.