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0 0.5 1 1.5 2+ Hospitalization 3% Improvement Relative Risk c19hcq.com Konig et al. HCQ for COVID-19 PrEP Favors HCQ Favors control
Konig, 80 patient HCQ prophylaxis study: 3% lower hospitalization [p=0.88] https://c19p.org/konig
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Baseline use of hydroxychloroquine in systemic lupus erythematosus does not preclude SARS-CoV-2 infection and severe COVID-19
Konig et al., Annals of the Rheumatic Diseases, doi:10.1136/annrheumdis-2020-217690 (Letter)
7 May 2020    Source   PDF   Share   Tweet
Analysis of 80 SLE patients diagnosed with COVID-19, showing the frequency of hospitalisation did not differ between individuals using an antimalarial versus non-users (55% (16/29) vs 57% (29/51), p=ns. Authors suggest that the dosage used may be too low to reach therapeutic levels.
risk of hospitalization, 3.0% lower, RR 0.97, p = 0.88, treatment 16 of 29 (55.2%), control 29 of 51 (56.9%), NNT 59.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
This study is excluded in the after exclusion results of meta analysis: not fully adjusting for the baseline risk differences within systemic autoimmune patients.
Konig et al., 5/7/2020, retrospective, database analysis, multiple countries, multiple regions, preprint, 11 authors.
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