The clinical efficacy and safety of mesenchymal stromal cells for patients with COVID-19: A systematic review and meta-analysis of randomized controlled trials.

J Infect Public Health · 2022 · PMC9259515 · PMID 35849852

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did not reach statistical significanceno p-value reported

The subgroup analysis of patients with severe COVID-19 also showed that the study group had a lower mortality rate than the control group, however the difference did not reach statistical significance (OR, 0.24; 95% CI, 0.03–2.09; I 2 = 0%).

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