Table 3.

Baseline characteristics (d-dimer  > 2ULN)

	Rivaroxaban (N = 43)	SOC (N = 45)	Total (N = 88)
Age at inclusion (years)
Mean (SD)	63.000 (14.248)	63.911 (16.662)	63.466 (15.447)
Sex
Female	18 (41.9%)	16 (35.6%)	34 (38.6%)
Male	25 (58.1%)	29 (64.4%)	54 (61.4%)
Weight (kg)
Mean (SD)	85.233 (17.514)	85.342 (16.831)	85.287 (17.075)
BMI (kg/m2)
Mean (SD)	28.763 (4.913)	27.972 (4.120)	28.367 (4.524)
Hospitalization on inclusion
No	0 (0.0%)	1 (2.2%)	1 (1.1%)
Yes	43 (100.0%)	44 (97.8%)	87 (98.9%)
Asthma
Yes	3 (7.0%)	1 (2.2%)	4 (4.5%)
COPD
Yes	2 (4.7%)	3 (6.7%)	5 (5.7%)
Diabetes mellitus
Yes	9 (20.9%)	6 (13.3%)	15 (17.0%)
Chronic heart failure
Yes	3 (7.0%)	0 (0.0%)	3 (3.4%)
Coronary artery disease
Yes	5 (11.6%)	2 (4.4%)	7 (8.0%)
Hypertension
Yes	21 (48.8%)	25 (55.6%)	46 (52.3%)
Ischemic stroke
Yes	0 (0.0%)	2 (4.4%)	2 (2.3%)
Current smoker
No	38 (88.4%)	40 (88.9%)	78 (88.6%)
Unknown	3 (7.0%)	3 (6.7%)	6 (6.8%)
Yes	2 (4.7%)	2 (4.4%)	4 (4.5%)
Ever smoked?
No	20 (46.5%)	21 (46.7%)	41 (46.6%)
Unknown	3 (7.0%)	4 (8.9%)	7 (8.0%)
Yes	18 (41.9%)	18 (40.0%)	36 (40.9%)
Time from hospitalization to randomization (days)
Mean (SD)	3.814 (4.176)	5.114 (5.772)	4.471 (5.060)
Oxygen demand on admission to the hospital?
No	9 (20.9%)	9 (20.0%)	18 (20.5%)
Yes	34 (79.1%)	36 (80.0%)	70 (79.5%)
Ventilation
No	43 (100.0%)	42 (93.3%)	85 (96.6%)
Yes	0 (0.0%)	3 (6.7%)	3 (3.4%)
Oxygen supply?
No	5 (11.6%)	6 (13.3%)	11 (12.5%)
Yes	38 (88.4%)	36 (80.0%)	74 (84.1%)
Oxygen application
Mask with reservoir	0 (0.0%)	2 (4.4%)	2 (2.3%)
Mask without reservoir	2 (4.7%)	2 (4.4%)	4 (4.5%)
Nasal cannula	36 (83.7%)	32 (71.1%)	68 (77.3%)
Creatinine (mg/dL)
Mean (SD)	0.914 (0.290)	0.889 (0.237)	0.901 (0.263)