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HCQ study #104 of 264
8/1 Early treatment study
Bernabeu-Wittel et al., J. Gerontol. A Biol. Sci. Med. Sci., doi:10.1093/gerona/glaa192 (Peer Reviewed)
Effectiveness of a On-Site Medicalization Program for Nursing Homes with COVID-19 Outbreaks
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Retrospective 272 nursing home residents showing significantly improved survival after establishing a treatment program including HCQ with or without lopinavir/ritonavir and with the addition of adjuvant and antimicrobial treatments depending on circumstances. Dosage details are in the supplementary appendix. Mortality relative risk is from [1].

Bernabeu-Wittel et al., 8/1/2020, retrospective, Spain, Europe, peer-reviewed, 13 authors, dosage 400mg bid day 1, 200mg bid days 2-7.
risk of death, 59.0% lower, RR 0.41, p = 0.03, treatment 189, control 83.

Effect extraction follows pre-specified rules prioritizing more serious outcomes. For an individual study the most serious outcome may have a smaller number of events and lower statistical signficance, however this provides the strongest evidence for the most serious outcomes when combining the results of many trials.
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