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All Studies   Meta Analysis   Recent: 
0 0.5 1 1.5 2+ Mortality 26% Improvement Relative Risk Radiographic changes 18% Hospitalization time 38% c19vitamind.com Zidrou et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Zidrou, 71 patient vitamin D sufficiency study: 18% lower progression [p=0.26] and 38% lower hospitalization [p=0.16] https://c19p.org/zidrou
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The Relationship Between Vitamin D Status and the Clinical Severity of COVID-19 Infection: A Retrospective Single-Center Analysis
Zidrou et al., Cureus, doi:10.7759/cureus.22385
19 Feb 2022    Source   PDF   Share   Tweet
Retrospective 71 hospitalized COVID-19 patients in Greece with vitamin D levels measured within 48 hours of admission, showing longer hospitalization, more radiographic findings, and higher inflammatory and cellular damage markers with vitamin D deficiency. Differences were only statistically significant for troponin and PCT.
risk of death, 26.4% lower, RR 0.74, p = 1.00, high D levels (≥20ng/ml) 2 of 25 (8.0%), low D levels (<20ng/ml) 5 of 46 (10.9%), NNT 35.
radiographic changes, 18.2% lower, RR 0.82, p = 0.26, high D levels (≥20ng/ml) 16 of 25 (64.0%), low D levels (<20ng/ml) 36 of 46 (78.3%), NNT 7.0.
hospitalization time, 37.7% lower, relative time 0.62, p = 0.16, high D levels (≥20ng/ml) 25, low D levels (<20ng/ml) 46.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Zidrou et al., 2/19/2022, retrospective, Greece, Europe, peer-reviewed, 6 authors, study period August 2020 - October 2020.
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