Fig. 2From: “H” is not for hydroxychloroquine—“H” is for heparin: lack of efficacy of hydroxychloroquine and the role of heparin in COVID-19—preliminary data of a prospective and interventional study from BrazilA—Mortality rates in COVID-19 hospitalized patients, groups HCQ and non-HCQ; B—Overall survival curve in the groups HCQ and non-HCQ. Comparison between groups by Log Rank Test (p = 0.758)Back to article page