Table 1.

Demographic information of all subjects. The numbers in parentheses denote the number of subjects in each class. It is noteworthy that 52 cases were converted to severe on average 5.64 days and 34 cases were severe at admission.

	Severe cases	Non-severe cases
	(86)	(322)
Female/male	35/51	160/162
Age	55.43  ±  16.35	49.30  ±  15.70