Table 1. Patient characteristic.

	Overall (N = 56)	Case (N = 41)	Control (N = 15)	p value
Age, years old	59.4 ± 14.8	56.3 ± 14.6	67.6 ± 12.5	0.008
Female	13 (23%)	8 (20%)	5 (33%)	0.30
Body mass index, kg/m2	25.3 ± 4.7	25.6 ± 5.1	24.7 ± 3.5	0.50
Days from onset		9.0 [5.0–12.0]
Mechanical Ventilation		8 (20%)