Shehab, 253 patient vitamin D prophylaxis study: 46% lower severe cases [p=0.2] https://c19p.org/shehab
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Immune-boosting effect of natural remedies and supplements on progress of, and recovery from COVID-19 infection
et al., Tropical Journal of Pharmaceutical Research, doi:10.4314/tjpr.v21i2.13
Retrospective survey-based analysis of 349 COVID-19 patients, showing a lower risk of severe cases with vitamin D, zinc, turmeric, and honey prophylaxis in unadjusted analysis, without statistical significance. REC/UG/2020/03.
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risk of severe case, 45.7% lower, RR 0.54, p = 0.20, treatment 6 of 90 (6.7%), control 20 of 163 (12.3%), NNT 18, unadjusted, severe vs. mild cases.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates |
This study is excluded in the after exclusion results of meta
analysis:
unadjusted results with no group details.
Shehab et al., 2/28/2022, retrospective, multiple countries, multiple regions, peer-reviewed, survey, 7 authors, study period September 2020 - March 2021, dosage not specified.
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