Table 1. Patient features.

N=661	Cases (n=186)	Controls (n=475)	p
Age	64.80 (SD 16.21)	49.75 (SD 19.22)	<0.01
Males	91 (49%)	186 (39%)	0.02
Mild COVID-19	21 (11.3%)	31 (6.5%)	0.04
Obesity	7 (3.7%)	11 (2.3%)	0.6
Smoking status	38 (20.4%)	55 (11.6%)	<0.01
Pregnancy	0	3 (0.6%)	0.3
All-cause hospitalization in the previous three months	72 (38.7%)	62 (13%)	<0.01
Major surgery in the previous three months	29 (15%)	14 (2.9%)	<0.01
History of VTE	20 (10.7%)	20 (4.2%)	<0.01
Known thrombophilia	3 (1.9%)	2 (0.4%)	0.1
Active cancer	57 (30.6%)	53 (11.1%)	<0.01
Polytrauma in the previous three months	5 (2.7%)	5 (1%)	0.1
Hormone therapy	5 (2.7%)	6 (1.3%)	0.2