Effect of Vitamin C on Clinical Outcomes of Critically Ill Patients With COVID-19: An Observational Study and Subsequent Meta-Analysis.

Front Med (Lausanne) · 2022 · PMC8873176 · PMID 35223911

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did not reach statistical significanceno p-value reported

We thought that the fact that favorable differences in outcomes (including mortality) did not reach statistical significance might be due to the small sample size of the observational study (involving 113 patients), which made results prone to statistical error type II.

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