Table 1.

Baseline characteristics of patients included in the study (N = 400)

CharacteristicAdmitted, not critically ill (n = 256)Critically ill (n = 144)
Age, mean (range), y 60 (23-99) 65 (32-97) 
Female, % 47.3 35.4 
Race   
 White 148 (57.8) 95 (66.0) 
 Black 43 (16.8) 17 (11.8) 
 Asian or Pacific islander 13 (5.1) 6 (4.2) 
 Other 42 (16.4) 15 (10.4) 
 Not specified 10 (3.9) 11 (7.6) 
Ethnicity, Hispanic or Latino 74 (28.9) 42 (29.2) 
Hospitalization status   
 Discharged 205 (80.1) 18 (12.5) 
 Still admitted at end of study period 49 (19.1) 99 (68.75) 
 Deceased 2 (0.8) 27 (18.75) 
Hospital length of stay, mean (range), d   
 Hospitalization complete 6 (1-24) 9 (2-23) 
 Hospitalization ongoing 8 (2-18) 12 (3-33) 
Baseline anticoagulation   
 None (mechanical thromboprophylaxis only) 9 (3.5) 2 (1.4) 
 Standard prophylactic anticoagulation* 230 (89.8) 124 (86.1) 
 Intermediate or full-dose anticoagulation 17 (6.6) 18 (12.5) 
BMI, kg/m2   
 Underweight (<18.5) 3 (1.2) 0 (0.0) 
 Normal weight (18.5-24.9) 55 (21.5) 28 (19.5) 
 Overweight (25.0-29.9) 95 (37.1) 54 (37.5) 
 Class I obesity (30.0-34.9) 56 (21.9) 29 (20.1) 
 Class II obesity (35.0-39.9) 29 (11.3) 20 (13.9) 
 Class III obesity (≥40.0) 18 (7.0) 13 (9.0) 
Risk factors for severe COVID-19   
 Cardiovascular disease 82 (32.0) 43 (29.9) 
 Chronic lung disease 53 (20.7) 25 (17.4) 
 Diabetes mellitus 65 (25.4) 58 (40.3) 
 Immune compromise or suppression 29 (11.3) 20 (13.9) 
 Chronic kidney disease on dialysis 4 (1.6) 6 (4.2) 
 Chronic liver disease 13 (5.1) 6 (4.2) 
 Reside in nursing home or long-term care facility 21 (8.2) 7 (4.9) 
CharacteristicAdmitted, not critically ill (n = 256)Critically ill (n = 144)
Age, mean (range), y 60 (23-99) 65 (32-97) 
Female, % 47.3 35.4 
Race   
 White 148 (57.8) 95 (66.0) 
 Black 43 (16.8) 17 (11.8) 
 Asian or Pacific islander 13 (5.1) 6 (4.2) 
 Other 42 (16.4) 15 (10.4) 
 Not specified 10 (3.9) 11 (7.6) 
Ethnicity, Hispanic or Latino 74 (28.9) 42 (29.2) 
Hospitalization status   
 Discharged 205 (80.1) 18 (12.5) 
 Still admitted at end of study period 49 (19.1) 99 (68.75) 
 Deceased 2 (0.8) 27 (18.75) 
Hospital length of stay, mean (range), d   
 Hospitalization complete 6 (1-24) 9 (2-23) 
 Hospitalization ongoing 8 (2-18) 12 (3-33) 
Baseline anticoagulation   
 None (mechanical thromboprophylaxis only) 9 (3.5) 2 (1.4) 
 Standard prophylactic anticoagulation* 230 (89.8) 124 (86.1) 
 Intermediate or full-dose anticoagulation 17 (6.6) 18 (12.5) 
BMI, kg/m2   
 Underweight (<18.5) 3 (1.2) 0 (0.0) 
 Normal weight (18.5-24.9) 55 (21.5) 28 (19.5) 
 Overweight (25.0-29.9) 95 (37.1) 54 (37.5) 
 Class I obesity (30.0-34.9) 56 (21.9) 29 (20.1) 
 Class II obesity (35.0-39.9) 29 (11.3) 20 (13.9) 
 Class III obesity (≥40.0) 18 (7.0) 13 (9.0) 
Risk factors for severe COVID-19   
 Cardiovascular disease 82 (32.0) 43 (29.9) 
 Chronic lung disease 53 (20.7) 25 (17.4) 
 Diabetes mellitus 65 (25.4) 58 (40.3) 
 Immune compromise or suppression 29 (11.3) 20 (13.9) 
 Chronic kidney disease on dialysis 4 (1.6) 6 (4.2) 
 Chronic liver disease 13 (5.1) 6 (4.2) 
 Reside in nursing home or long-term care facility 21 (8.2) 7 (4.9) 

Unless otherwise noted, data are n (%).

*

Details are in supplemental Table 1.

Includes patients continuing on previously prescribed oral anticoagulants and patients with BMI <30 kg/m2 given subcutaneous enoxaparin at higher-than-standard dosing (eg, 40 mg, twice daily).

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