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. 2020 Dec 29;199:10–13. doi: 10.1016/j.thromres.2020.12.015

Table 1.

General characteristics.

Variables Asian
(n = 123)
Black
(n = 1716)
Hispanic
(n = 1752)
White
(n = 391)
Other
(n = 317)
P value
Age-years
 <55 38 (30.9) 453 (26.4) 573 (32.7) 58 (14.8) 89 (28.1) <0.001
 55–65 38 (30.9) 415 (24.2) 378 (21.6) 64 (16.4) 89 (28.1)
 65–75 21 (17.1) 402 (23.4) 364 (20.8) 126 (32.2) 76 (24)
 >75 26 (21.1) 446 (26) 437 (24.9) 143 (36.6) 63 (19.9)
Female sex, n (%) 49 (39.8) 881 (51.3) 790 (45.1) 161 (41.2) 125 (39.4) <0.001
Household income, k-US median (IQR) 28.3 (21.7–29.3) 26.8 (21.7–29.3) 21.7 (17.9–28.3) 29.3 (24.4–31.6) 28.3 (21.7–31.1) <0.001
SES quartiles, n (%)
 Quartile 1 12 (13) 284(19.3) 457 (33.2) 39 (11.9) 41 (16.9) <0.001
 Quartile 2 33 (35.9) 315 (21.4) 483 (35.1) 44 (13.4) 56 (23)
 Quartile 3 29 (31.5) 486 (32.9) 239 (17.4) 92 (28) 67 (27.6)
 Quartile 4 18 (19.6) 390 (26.4) 198 (14.4) 154 (46.8) 79 (32.5)
Population density-k, median (IQR) 44.4 (29.9–52.1) 35.9 (27.9–46.4) 44.4 (29.9–65.3) 29.9 (13–44.4) 36.5 (25.1–52) <0.001
Poverty index, median (IQR) 1 (0.57–1.01) 0.63 (0.45–1.01) 0.98 (0.57–1.75) 0.45 (0.36–0.98) 0.98 (0.45–1.01) <0.001
BMI, kg/m2, n (%)
 18–24.9 36 (35.3) 416 (26.3) 426 (26.8) 122 (34.1) 85 (29.5) <0.001
 25–29.9 42 (41.2) 475 (30) 529 (33.2) 110 (30.7) 106 (36.8)
 >30 24 (23.5) 693 (43.8) 636 (40) 126 (35.2) 106 (36.8)
Smoking status, n (%)
 Current 4 (6.1) 85 (7.9) 70 (7) 22 (9.2) 3 (1.9) 0.001
 Former 10 (15.2) 335 (31.1) 321 (32.1) 93 (38.8) 47 (29)
 Never 52 (78.8) 658 (61) 610 (60.9) 125 (52.1) 112 (69.1)
Diabetes, n (%) 25 (20.3) 442 (25.8) 340 (19.4) 61 (15.6) 61 (19.2) <0.001
Myocardial Infarction, n (%) 8 (6.5) 106 (6.2) 141 (8) 42 (10.7) 15 (4.7) 0.052
Congestive heart failure, n (%) 15 (12.2) 338 (19.7) 292 (16.7) 76 (19.4) 34 (10.7) 0.004
Cerebrovascular disease, n (%) 23 (18.7) 268 (15.6) 214 (12.2) 53 (13.6) 37 (11.7) 0.002
Dementia, n (%) 8 (6.5) 219 (12.8) 195 (11.1) 62 (15.9) 25 (7.9) 0.002
Chronic pulmonary disease, n (%) 4 (3.3) 26 (1.5) 32 (1.8) 4 (1) 7 (2.2) 0.569
Renal disease, n (%) 25 (20.3) 519 (30.2) 415 (23.7) 80 (20.5) 69 (21.8) <0.001
Hypertension, n (%) 48 (39) 638 (37.2) 628 (35.8) 168 (43) 127 (40.1) 0.010
Oxygen saturation <94%, n (%) 58 (47.9) 566 (34.3) 683 (40.4) 156 (42.3) 126 (40.5) <0.001
Temperature >38 °C, n (%) 30 (24.8) 325 (19.7) 328 (19.5) 62 (16.8) 58 (18.6) 0.404
Troponin >0.1 ng/ml, n (%) 9 (8.9) 196 (12.9) 152 (9.9) 40 (11.4) 31 (11.1) 0.111
Erythrocyte sedimentation rate (ESR) >60 mm/h, n (%) 33 (71.7) 265 (69.7) 285 (67.2) 50 (55.6) 41 (59.4) 0.065
C-reactive protein >10 mg/l, n (%) 63 (58.9) 687 (48.2) 766 (51.4) 148 (46.4) 118 (44) 0.024
D-dimer >3 μg/ml, n (%) 25 (25) 487 (36.6) 414 (29.4) 113 (36.5) 70 (28.2) <0.001
Interleukin-6 >150 pg/ml, n (%) 10 (18.2) 89 (12.2) 93 (11.3) 24 (14) 14 (9.7) 0.442
Hemoglobin <12 g/dl, n (%) 44 (37.3) 680 (40.6) 546 (32) 123 (32.3) 109 (35.2) <0.001
Platelets-k per mm3 <100 k, n (%) 4 (3.4) 77 (4.6) 75 (4.4) 17 (4.5) 11 (3.5) 0.913
White blood cells-k per mm3 >10,800, n (%) 44 (37.3) 675 (40.3) 661 (38.8) 156 (40.9) 115 (37.1) 0.710
Fibrinogen >500 mg/dl, n (%) 60 (75.9) 726 (75) 797 (77.5) 138 (63) 140 (76.5) <0.001
Ferritin >300 μg/l, n (%) 79 (84.9) 1002 (83.5) 1018 (78.2) 217 (78.9) 192 (83.5) 0.008
Aspartate aminotransferase >40 U/l, n (%) 64 (55.2) 783 (48.1) 809 (48.8) 158 (42.8) 157 (52) 0.076
Alanine aminotransferase >40 U/l, n (%) 36 (31) 443 (26.9) 539 (32.3) 88 (23.5) 94 (30.8) 0.001
International normalized ratio (INR) >1.2, n (%) 16 (14.2) 300 (19.2) 320 (20.1) 96 (26.9) 50 (17.1) 0.004
Partial thromboplastin time (PTT) >35 s, n (%) 57 (53.8) 490 (33.7) 554 (38.1) 118 (35.9) 98 (36) <0.001
Creatinine >1.5 μmol/l, n (%) 27 (22.9) 710 (42.5) 453 (26.6) 106 (27.8) 90 (28.9) <0.001
Procalcitonin >0.1 ng/ml, n (%) 57 (65.5) 681 (64.4) 714 (59.5) 138 (49.6) 115 (58.7) <0.001
Sodium >145 mmol/l, n (%) 9 (7.6) 207 (12.4) 129 (7.6) 42 (11) 23 (7.4) <0.001
LDH >280 U/l, n (%) 84 (79.2) 1191 (79.2) 1151 (74.1) 230 (69.1) 219 (77.4) <0.001
Treatment & medication
 Intubation, n (%) 32 (26) 260 (15.2) 263 (15) 53 (13.6) 58 (18.3) 0.008
 Anticoagulant, n (%) 62 (50.4) 830 (48.4) 864 (49.3) 184 (47.1) 149 (47) 0.870
 COVID-19 medication, n (%) 90 (73.2) 1423 (82.9) 1425 (81.3) 324 (82.9) 249 (78.5) 0.018
 Steroids, n (%) 30 (24.4) 293 (17.1) 327 (18.7) 67 (17.1) 68 (21.5) 0.116

Missing data: Median household income (n = 4), poverty index (n = 250), socio-economic status quartile (n = 821), BMI (n = 770), smoking status (n = 1886), oxygen saturation (n = 182), temperature (n = 160), troponin (n = 866), ESR (n = 3707), C-reactive protein (n = 1253), d-dimer (n = 1419), interleukin-6 (n = 2864), hemoglobin (n = 370), platelets (n = 370), white-blood cell count (n = 370), fibrinogen (n = 2351), ferritin (n = 1737), AST (n = 555), ALT (n = 493), INR (n = 761), PTT (n = 1136), creatinine (n = 378), procalcitonin (n = 2025), sodium (n = 386) and LDH (n = 1032).