ArticleCureus2021
Climatic Variations as Indicators of Vitamin D Levels and Benign Paroxysmal Positional Vertigo.
Article in Cureus, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 2 of them syntheses that pooled it.
What it found
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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
8 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Seasonal and monthly variation in benign paroxysmal positional vertigo: a systematic review and meta‑analysis.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025Pooled it
- Pooled it
- Seasonal variation in climate, air pollution, and the incidence of benign paroxysmal positional vertigo.Scientific reports · 2026Article
- Research progress on risk factors of recurrence of benign paroxysmal positional vertigo.Frontiers in neurology · 2025Review
- Seasonality in benign paroxysmal positional vertigo: a systematic review.BMJ neurology open · 2025Article
- Seasonal variation in peripheral vestibular disorders based on Korean population data.Laryngoscope investigative otolaryngology · 2024Article
- Article
- Association of benign paroxysmal positional vertigo with meteorological factors in outpatient: a retrospective analysis.Frontiers in neurologyArticle
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective To investigate the possible correlation between benign paroxysmal positional vertigo (BPPV), seasonality, and climatic variations as indicators of vitamin D deficiency, since otoconia are calcium carbonate crystals. Methods This is a study of patients who received the diagnosis of BPPV from September 2015 to August 2019. Gender, age, and month of diagnosis were factors recorded and analyzed. The cut-off age of 50 years is used to include osteoporotic patients and postmenopausal women. Meteorological and climatic data of latitude, temperature, sunshine hours, humidity, precipitation, wind force, atmospheric pressure, and horizontal solar irradiance were collected. Results Four hundred and eighty-five patients were included in the study; 206 were male (42%) and 279 were female (58%). The mean age was 57.8±15.4 and 54.9±13.9, respectively; 192 patients were ≤50 years old (121 female and 71 male) and 293 patients were over 50 years old (135 male and 158 female). A statistical significance in seasonal variation during autumn months was demonstrated (p-value= 5.2 e-05, z-statistic: 9.8164). There was no statistical correlation between the median number of BPPV patients and the median sunshine hours per month, horizontal solar irradiance, or other climatic variables. Conclusions Our study demonstrates seasonality in BPPV patients in Greece but no correlation between BPPV and climatic variations as a proxy for Vitamin-D levels was documented.
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