0  0  0  1  10  NA  NA  1  1  0  0  13 (27)
 PCI for CAV  0  1  0  0  NA  NA  NA  0  1  0  1  3 (14)
 BMI >30  0  0  0  1  NA  NA  NA  0  NA  0  1  2 (12)
COVID-19 onset symptoms
 Fever  2  0  2  0  19  NA  1  1  4  3  6  38 (78)
 Chest pain  0  0  0  1  5  NA  0  0  0  1  NA  7 (16)