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0 0.5 1 1.5 2+ Mortality -42% Improvement Relative Risk Mortality, day 28 -149% Mortality, day 14 62% ICU admission -90% Recovery time -11% Favipiravir  Almoosa et al.  LATE TREATMENT Is late treatment with favipiravir beneficial for COVID-19? Retrospective 226 patients in Saudi Arabia Higher ICU admission with favipiravir (p=0.02) c19early.org Almoosa et al., J. Infection and Publi.., Aug 2021 Favors favipiravir Favors control

Favipiravir versus Standard of Care in Patients with Severe COVID-19 Infections: A Retrospective Comparative Study

Almoosa et al., Journal of Infection and Public Health, doi:10.1016/j.jiph.2021.08.022
Aug 2021  
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Retrospective 226 COVID-19 pneumonia patients, 110 treated with favipiravir, showing higher mortality (p=0.1) and ICU admission (p=0.02) with treatment in multivariate analysis.
risk of death, 42.3% higher, RR 1.42, p = 0.10, treatment 33 of 110 (30.0%), control 24 of 116 (20.7%), adjusted per study, odds ratio converted to relative risk, overall mortality, multivariate binary logistic regression.
risk of death, 149.3% higher, RR 2.49, p = 0.006, treatment 26 of 110 (23.6%), control 11 of 116 (9.5%), day 28.
risk of death, 61.7% lower, RR 0.38, p = 0.11, treatment 4 of 110 (3.6%), control 11 of 116 (9.5%), NNT 17, day 14.
risk of ICU admission, 90.0% higher, OR 1.90, p = 0.02, treatment 110, control 116, adjusted per study, multivariate binary logistic regression, RR approximated with OR.
recovery time, 10.9% higher, relative time 1.11, p = 0.17, treatment 110, control 116.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Almoosa et al., 24 Aug 2021, retrospective, Saudi Arabia, peer-reviewed, 14 authors.
This PaperFavipiravirAll
Favipiravir versus standard of care in patients with severe COVID-19 infections: A retrospective comparative study
MD. Zainab Almoosa, Mustafa Saad, Samer Qara, Mahmoud Mustafa, Ali Mansour, Duaa Alshab, Jehad Alhashem, Sajida Alkhawajah, Saleh Alkhalifah, Mokhtar Almarzooq, Mohammed Alzain, Neda’a Anshasi, Gasmelseed Ahmed, Abbas Al Mutair
Journal of Infection and Public Health, doi:10.1016/j.jiph.2021.08.022
This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.
Conflict of interest: All authors of the manuscript declared that they have no potential conflicts or competing interests with respect to this research, authorship and/or publication of this article. Authors' contributions: ZA, MS and GA were involved in writing the proposal, design of the data collection form, and implementation of the study, data analysis, and manuscript preparation. The eight resident doctors were involved in data collection. AA conducted the statistical analysis. ZA, MS GA, and SQ contributed to the manuscript writing. All the team was involved the final revision and edit of the final version of the manuscript.
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Late treatment
is less effective
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