Fig. 1From: Low high-density lipoprotein level is correlated with the severity of COVID-19 patients: an observational studyThe time-dependent risk of developing severe event in COVID-19 patients with low and high levels of HDL-C using Kaplan-Meier curve. Patients with low HDL-C showed a higher risk of developing severe events compared with those with high HDL-C (Log Rank P = 0.009). Abbreviations: COVID-19: coronavirus disease 2019; HDL-C: high-density lipoprotein cholesterolBack to article page