The newer, updated results are from a larger number of patients -- close to 2,800 -- treated for COVID-19 at 68 hospitals across France. Their mean age was 70, nearly two-thirds were men, and many were overweight. About 40% were also experiencing various forms of complications from their diabetes. During the 28 days after their admission to a hospital, 21% of patients died, the French team reported Feb. 17 in the journal Diabetologia.