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HCQ study #194 of 237
11/27 Late treatment study
van Halem et al., BMC Infect Dis., doi:10.1186/s12879-020-05605-3 (Peer Reviewed)
Risk factors for mortality in hospitalized patients with COVID-19 at the start of the pandemic in Belgium: a retrospective cohort study
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Retrospective 319 hospitalized patients in Belgium showing lower mortality with HCQ, although not reported to be statistically significant.

van Halem et al., 11/27/2020, retrospective, Belgium, Europe, peer-reviewed, 10 authors.
risk of death, 31.6% lower, RR 0.68, p = 0.05, treatment 34 of 164 (20.7%), control 47 of 155 (30.3%).
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