PSM retrospective with 1,493 patients, showing significantly improved viral clearance with favipiravir. There were no significant differences in clinical improvement or mortality. Mortality was lower (2.1% vs 3.1%), without statistical significance with the small number of events.
risk of death, 33.3% lower, RR 0.67, p = 0.50, treatment 8 of 387 (2.1%), control 12 of 387 (3.1%), NNT 97, propensity score matching, day 28.
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risk of no clinical improvement, 2.2% higher, RR 1.02, p = 0.73, treatment 26 of 387 (6.7%), control 28 of 387 (7.2%), NNT 194, adjusted per study, inverted to make RR<1 favor treatment, day 28, Cox proportional hazards, propensity score matching, primary outcome.
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days to clinical improvement, 6.2% higher, relative time 1.06, p = 0.07, treatment 387, control 387, propensity score matching.
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risk of no viral clearance, 43.9% lower, RR 0.56, p < 0.001, treatment 78 of 387 (20.2%), control 139 of 387 (35.9%), NNT 6.3, propensity score matching.
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Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
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Alattar et al., 30 Nov 2021, retrospective, Qatar, peer-reviewed, median age 46.0, 25 authors, study period 23 May, 2020 - 18 July, 2020, average treatment delay 5.0 days.
Contact:
aomrani@hamad.qa.
Favipiravir for the treatment of coronavirus disease 2019 pneumonia; a propensity score-matched cohort study
Rand A Alattar, Shiema Abdalla, Tasneem Abdallah, Rashid Kazman, Aseelah Qadmour, Tawheeda Ibrahim, Bassem Alhariri, Shahd H Shaar, Abeer Bajwa, Abeir Alimam, Rabia Qazi, Fatma Ben Abid, Joanne Daghfal, Ali Eldeeb, Kinda Shukri, Ahmed Elsayed, Fatima Rustom, Musaed Alsamawi, Alaaeldin Abdelmajid, Miguel A P Basulto, Armando A R Cobian, Mohamed Abukhattab, Abdullatif Alkhal, Muna A Almaslamani, Ali S Omrani
Journal of Infection and Public Health, doi:10.1016/j.jiph.2022.08.011
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.
Ethical approval The study was approved by the Institutional Review Board at Hamad Medical Corporation (MRC-01-20-994), with a waiver of informed consent.
Funding The publication of this article was funded by the Qatar National Library. J o u r n a l P r e -p r o o f
Declaration of Interest
None
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