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0 0.5 1 1.5 2+ Mortality -67% Improvement Relative Risk c19hcq.com Kalligeros et al. HCQ for COVID-19 LATE TREATMENT Favors HCQ Favors control
Kalligeros, 108 patient HCQ late treatment study: 67% higher mortality [p=0.57] https://c19p.org/kalligeros
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Hydroxychloroquine use in hospitalised patients with COVID-19: An observational matched cohort study
Kalligeros et al., Journal of Global Antimicrobial Resistance, doi:10.1016/j.jgar.2020.07.018
5 Aug 2020    Source   PDF   Share   Tweet
Small retrospective database analysis of 36 patients receiving HCQ not showing significant differences. Confounding by indication is likely.
risk of death, 67.0% higher, HR 1.67, p = 0.57, treatment 36, control 72.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Kalligeros et al., 8/5/2020, retrospective, USA, North America, peer-reviewed, 13 authors, average treatment delay 6.0 days.
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Late treatment
is less effective
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