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Vitamin D study #189   Meta Analysis
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Mortality 66% Imp. Relative Risk, 95% CI ICU admission 17% Hospital stay >8 days 21% Gönen: Rapid and Effective Vitamin D Supplementation May Presen.. c19vitamind.com/gonen.html Favors vitamin D Favors control
11/12 Analysis of outcomes based on serum levels
Gönen et al., Nutrients, doi:10.3390/nu13114047 (Peer Reviewed)
Rapid and Effective Vitamin D Supplementation May Present Better Clinical Outcomes in COVID-19 (SARS-CoV-2) Patients by Altering Serum INOS1, IL1B, IFNg, Cathelicidin-LL37, and ICAM1
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Retrospective 867 hospitalized COVID-19 patients in Turkey, showing worse outcomes with vitamin D deficiency (without statistical significance); followed by a prospective study of 210 patients with vitamin D supplementation for those that were deficient, showing significantly lower mortality compared to the retrospective study without treatment.
risk of death, 65.8% lower, RR 0.34, p = 0.62, high D levels (≥12ng/mL) 1 of 80 (1.2%), low D levels (<12ng/mL) 3 of 82 (3.7%), retrospective study.
risk of ICU admission, 16.9% lower, RR 0.83, p = 1.00, high D levels (≥12ng/mL) 4 of 77 (5.2%), low D levels (<12ng/mL) 5 of 80 (6.2%), retrospective study.
hospital stay >8 days, 21.1% lower, RR 0.79, p = 0.11, high D levels (≥12ng/mL) 40 of 78 (51.3%), low D levels (<12ng/mL) 52 of 80 (65.0%), retrospective study.
Gönen et al., 11/12/2021, retrospective, Turkey, Europe, peer-reviewed, 20 authors, dosage varies.
Contact: karraspiros@yahoo.gr, duygugezenak@iuc.edu.tr, duygugezenak@gmail.com, erdinc.dursun@iuc.edu.tr, erdincdu@gmail.com.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. For an individual study the most serious outcome may have a smaller number of events and lower statistical significance, however this provides the strongest evidence for the most serious outcomes when combining the results of many trials.
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