Table 1

Characteristics of patients admitted with COVID-19 by obesity class

CharacteristicUnderweight (BMI <18.5 kg/m2) n=40Normal weight (18.5–24.9 kg/m2) n=405Overweight (25.0–29.9 kg/m2) n=455Obese (30.0–39.9 kg/m2) n=366Morbidly obese (>40.0 kg/m2) n=71
Age (Years)78 (56, 87)71 (59, 82)65 (54, 74)62 (50, 70)53 (41, 62)
Female16 (40%)152 (38%)155 (34%)152 (41%)41 (58%)
Race
 Black7 (18%)42 (10%)54 (12%)60 (16%)19 (27%)
 White16 (40%)157 (39%)177 (39%)139 (38%)26 (37%)
 Asian11 (28%)67 (17%)59 (13%)18 (4.9%)4 (5.6%)
 Other3 (7.5%)93 (23%)102 (22%)89 (24%)12 (17%)
 Not specified3 (7.5%)46 (11%)63 (14%)60 (16%)10 (14%)
 Outside transfer4 (10%)51 (13%)64 (14%)39 (11%)7 (9.9%)
Smoking status
 Active smoker2 (5.0%)11 (2.7%)18 (4.0%)14 (3.8%)2 (2.8%)
 Former smoker9 (22%)91 (22%)121 (27%)77 (21%)21 (30%)
 No29 (72%)303 (75%)315 (69%)277 (75%)48 (68%)
Comorbidities
 Diabetes mellitus13 (32%)108 (27%)151 (33%)118 (32%)27 (38%)
 Hypertension25 (62%)218 (54%)254 (56%)218 (60%)44 (62%)
 COPD2 (5.0%)25 (6.2%)21 (4.6%)13 (3.6%)9 (13%)
 Asthma2 (5.0%)29 (7.2%)26 (5.7%)48 (13%)19 (27%)
 ESRD5 (12%)34 (8.4%)26 (5.7%)17 (4.6%)3 (4.2%)
 CAD10 (25%)66 (16%)81 (18%)52 (14%)13 (18%)
 Heart failure8 (20%)45 (11%)31 (6.8%)24 (6.6%)8 (11%)
 Active cancer5 (12%)49 (12%)28 (6.2%)22 (6.0%)3 (4.2%)
 CVA5 (12%)49 (12%)30 (6.6%)16 (4.4%)4 (5.6%)
 Cirrhosis0 (0%)8 (2.0%)2 (0.4%)5 (1.4%)0 (0%)
 History of transplant1 (2.5%)20 (4.9%)17 (3.7%)16 (4.4%)3 (4.2%)
 Immunocompromised1 (2.5%)24 (5.9%)11 (2.4%)9 (2.4%)1 (1.4%)
In-Hospital events
 Myocardial infarction3 (7.5%)26 (6.4%)21 (4.6%)21 (5.7%)4 (5.6%)
 Arrythmia0 (0%)50 (12%)55 (12%)45 (12%)8 (11%)
 VTE1 (2.5%)42 (10%)44 (9.7%)46 (13%)6 (8.5%)
 Acute kidney injury6 (15%)74 (18%)80 (18%)72 (20%)11 (15%)
 Renal replacement3 (7.5%)38 (9.4%)37 (8.1%)45 (12%)7 (9.9%)
Home medications
 NSAID12 (30%)118 (29%)127 (28%)102 (28%)21 (30%)
 ACE inhibitor8 (20%)114 (28%)130 (29%)110 (30%)26 (37%)
 Statins13 (32%)153 (38%)171 (38%)138 (38%)23 (32%)
Inpatient therapies
 Antibiotics24 (60%)225 (56%)252 (56%)208 (57%)35 (49%)
 Steroids8 (20%)115 (28%)137 (30%)124 (34%)26 (37%)
 Hydroxychloroquine15 (38%)238 (59%)310 (68%)260 (71%)46 (65%)
 Tocilizumab0 (0%)19 (4.7%)26 (5.7%)23 (6.3%)3 (4.2%)
 Vasopressors6 (15%)102 (25%)140 (31%)134 (37%)22 (31%)
 Remdesivir1 (2.5%)23 (5.7%)38 (8.4%)31 (8.5%)10 (14%)
 IVIG1 (2.5%)3 (0.7%)5 (1.1%)7 (1.9%)0 (0%)
Outcomes
 Discharge to home15 (38%)216 (53%)275 (60%)217 (59%)53 (75%)
 Length of stay5.9 (3.1, 13.3)8.0 (3.8, 18.6)9.0 (4.2, 22.2)8.6 (4.0, 24.9)7.3 (3.9, 16.6)
 Length of stay (survivors only)6.1 (4.2, 14.8)7.7 (3.8, 16.6)8.5 (3.9, 22.0)8.5 (4.0, 26.8)7.0 (3.8, 16.0)
 Death15 (38%)98 (24%)62 (14%)56 (15%)10 (14%)
  • Baseline values are presented as median (25–75th percentile) for continuous variables and N (%) for categorical variables.

  • ACE, angiotensin converting enzyme; CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease; CVA, cerebrovascular accident; ESRD, end-stage renal disease; IVIG, intravenous immunoglobulin; NSAID, non steroidal anti-inflammatory drug; VTE, venous thromboembolic event.