JAMA Internal Medicine published two studies yesterday on factors tied to death in COVID-19 patients, one involving US patients and one highlighting Italian data, and a Disaster Medicine and Public Health Preparedness study described the clinical features of 100 coronavirus patients who died in China.The first study, the largest known multicenter cohort analysis of critically ill coronavirus patients across geographically diverse US regions, found that 784 of 2,215 adults (35%) admitted to intensive care units (ICUs) at 65 hospitals from Mar 4 to Apr 4 died within 28 days of hospitalization.The researchers identified advanced age, male sex, higher-than-normal body mass index (BMI), coronary artery disease, active cancer, low oxygen levels,