Retrospective 152 mechanically ventilated patients in the USA showing unadjusted lower mortality with vitamin C, vitamin D, HCQ, and zinc treatment, statistically significant only for vitamin C.
Although the 20% lower mortality is not statistically significant, it is consistent with the significant 24% lower mortality
[19‑28%] from meta analysis of the
246 mortality results to date.
This study is excluded in the after exclusion results of meta
analysis:
unadjusted results with no group details.
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risk of death, 20.4% lower, RR 0.80, p = 0.48, treatment 86 of 144 (59.7%), control 6 of 8 (75.0%), NNT 6.5.
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Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
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Krishnan et al., 20 Jul 2020, retrospective, USA, peer-reviewed, 13 authors, dosage not specified.
Clinical comorbidities, characteristics, and outcomes of mechanically ventilated patients in the State of Michigan with SARS-CoV-2 pneumonia
Sandeep Krishnan, Kinjal Patel, Ronak Desai, Anupam Sule, Peter Paik, Ashley Miller, Alicia Barclay, Adam Cassella, Jon Lucaj, Yvonne Royster, Joffer Hakim, Zulfiqar Ahmed, Farhad Ghoddoussi
Journal of Clinical Anesthesia, doi:10.1016/j.jclinane.2020.110005
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References
Huang, Wang, Li, Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China, Lancet
Richardson, Hirsch, Narasimhan, Presenting characteristics, comorbidities, and outcomes among 5700 patients hospitalized with COVID-19 in the New York City area, JAMA
Sandeep Krishnan A,B,C, Patel D,E, Desai D,E , Anupam Sule F,G, Paik, Miller et al., None
Zhou, Yu, Du, Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study, Lancet
