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0 0.5 1 1.5 2+ Death/ICU 32% Improvement Relative Risk c19hcq.com Lammers et al. HCQ for COVID-19 LATE TREATMENT Favors HCQ Favors control
Lammers, 1,064 patient HCQ late treatment study: 32% lower combined mortality/ICU admission [p=0.02] https://c19p.org/lammers
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Early hydroxychloroquine but not chloroquine use reduces ICU admission in COVID-19 patients
Lammers et al., Int. J. Infectious Diseases, doi:10.1016/j.ijid.2020.09.1460
29 Sep 2020    Source   PDF   Share   Tweet
Observational study 1,064 hospitalized patients in the Netherlands, 53% reduced risk of transfer to the ICU for mechanical ventilation with HCQ treatment starting on the first day of admission.
Weighted propensity score adjusted hazard ratio for transfer to the ICU with HCQ treatment, HR = 0.47, p = 0.008. For CQ, HR = 0.8, p = 0.207. Mortality results in this study are only for mortality before transfer to the ICU. The combined ICU/death HR was 0.68, p = 0.024 for HCQ, and 0.85, p = 0.224 for CQ.
Observational, multicenter, cohort study of hospitalized COVID-19 patients. 189 HCQ patients, 377 CQ, 498 control.
risk of death/ICU, 32.0% lower, HR 0.68, p = 0.02, treatment 30 of 189 (15.9%), control 101 of 498 (20.3%), adjusted per study.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Lammers et al., 9/29/2020, prospective, Netherlands, Europe, peer-reviewed, 18 authors.
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