Skip to main content
. 2020 Jul 25;44(9):1832–1837. doi: 10.1038/s41366-020-0648-x

Table 1.

Characteristics of the study population at baseline according to BMI category (n = 504).

Characteristic Total n = 504 Normal n = 139 (27%) Overweight n = 150 (30%) Obese n = 215 (43%) p value
Age – mean ± sd 68 ± 15 70 ± 16 71 ± 13 63 ± 14 <0.001
 <45 yrs 33 (7%) 9 (6%) 7 (5%) 17 (8%) <0.001
 45–64 yrs 155 (31%) 34 (24%) 28 (19%) 93 (43%)
 ≥65 316 (63%) 96 (69%) 115 (77%) 105 (49%)
Male sex– n (%) 263 (52%) 84 (60%) 84 (56%) 95 (44%) 0.006
Race 0.64
 Black 454 (90%) 126 (91%) 132 (88%) 196 (91%)
 White 20 (4%) 8 (6%) 7 (5%) 5 (2%)
 Asian 2 (0.4%) 1 (1%) 0 1 (0.5%)
 Hispanic 3 (0.6%) 0 1 (1%) 2 (1%)
 Unknown 25 (5%) 4 (3%) 10 (7%) 11 (5%)
Comorbidities
 Diabetes 269 (53%) 72 (52%) 85 (57%) 112 (52%) 0.63
 Hypertension 416 (83%) 102 (73%) 127 (85%) 187 (87%) 0.003
 Hyperlipidemia 174 (35%) 38 (27%) 55 (37%) 81 (38%) 0.11
 Coronary Artery Disease 96 (19%) 30 (22%) 39 (26%) 27 (13%) 0.003
 COPD 41 (8%) 7 (5%) 9 (6%) 25 (12%) 0.05
 Asthma 41 (8%) 4 (3%) 12 (8%) 25 (12%) 0.009
 Chronic kidney disease 81 (16%) 21 (15%) 28 (19%) 32 (15%) 0.59
 ESRDa 65 (13%) 18 (13%) 24 (16%) 23 (11%) 0.34  
qSOFA ≥ 2b 156 (31%) 51 (33%) 48 (32%) 57 (37%) 0.12
Current or Former Smoker 71 (14%) 16 (12%) 28 (19%) 27 (13%) 0.06
Outcomes
 Intubation 113 (22%) 17 (12%) 36 (24%) 60 (28%) 0.002
 Acute kidney injury 95 (19%) 31 (22%) 31 (21%) 33 (15%) 0.21
 Acute cardiac injury 160 (32%) 40 (29%) 49 (33%) 71 (33%) 0.66
 ARDSc 91 (18%) 18 (13%) 28 (19%) 45 (21%) 0.16
 Mortality 219 (43%) 51 (37%) 81 (54%) 87 (40%) 0.006

aEnd stage renal disease.

bQuick sequential organ failure assessment.

cAcute respiratory distress syndrome.