| In-sample | Out-of-sample | ||||
---|---|---|---|---|---|---|
No ICU/death | ICU/death | Â | No ICU/death | ICU/death | Â | |
(n=122) | (n=221) | P | (n=112) | (n=82) | P | |
Age (yrs), mean ± SD | 62.2 ± 17.5 | 60.9 ± 16.0 | 0.47 | 64.3 ± 18.1 | 63.8 ± 16.3 | 0.83 |
Age (yrs), n (%) |  |  |  |  |  |  |
 <65 | 68 (55.7) | 132 (59.7) | 0.55 | 53 (47.3) | 39 (47.6) | 1.0 |
 ≥65 | 54 (44.3) | 89 (40.3) |  | 59 (52.7) | 43 (52.4) |  |
Gender,n(%) | Â | Â | Â | Â | Â | Â |
 Male | 75 (61.5) | 144 (65.2) | 0.57 | 56 (50.0) | 52 (63.4) | 0.09 |
 Female | 47 (38.5) | 77 (34.8) |  | 56 (50.0) | 30 (36.6) |  |
Race/Ethnicity(Self-Reported),n(%) | Â | Â | Â | Â | Â | Â |
 Hispanic | 37 (30.0) | 89 (40.3) | 0.32 | 28 (25.0) | 25 (30.5) | 0.87 |
 Non-HispanicBlack/AA | 9 (7.4) | 21 (9.5) |  | 15 (13.4) | 9 (11.0) |  |
 Non-HispanicWhite | 54 (44.3) | 77 (34.8) |  | 56 (50.0) | 37 (45.1) |  |
 Other | 7 (5.7) | 11 (5.0) |  | 8 (7.1) | 6 (7.3) |  |
 Unknown/missing | 15 (12.3) | 23 (10.4) |  | 5 (4.5) | 5 (6.1) |  |
 BMI(kg/m2),mean±SD | 29.4±7.0 | 31.7±7.0 | 0.006 | 28±6.8 | 29.6±7.3 | 0.14 |
BMICategory,n(%) | Â | Â | Â | Â | Â | Â |
 Underweight/normal | 29 (25.7) | 32 (16.8) | 4×10−4 | 33 (31.1) | 17 (24.3) | 0.58 |
 Overweight | 45 (39.8) | 48 (25.3) |  | 38 (35.8) | 26 (37.1) |  |
 Obese | 39 (34.5) | 110 (57.9) |  | 35 (33.0) | 27 (38.6) |  |
 CURB-65 Score, mean ± SD | 1.0 ± 0.90 | 1.2 ± 1.0 | 0.003 | 1.3 ± 1.1 | 1.5 ± 1.1 | 0.20 |
Comorbidities, n (%) |  |  |  |  |  |  |
 Type 2 diabetes | 41 (33.6) | 93 (42.1) | 0.15 | 40 (35.7) | 29 (35.4) | 1.0 |
 CAD | 22 (18.0) | 29 (13.1) | 0.29 | 21 (18.8) | 12 (14.6) | 0.58 |
 COPD/asthma | 32 (26.2) | 38 (17.2) | 0.06 | 27 (24.1) | 15 (18.3) | 0.43 |
 Cancer (active) | 7 (5.7) | 7 (3.2) | 0.39 | 9 (8.0) | 4 (4.9) | 0.56 |
 Renal disease | 20 (16.4) | 44 (19.9) | 0.51 | 29 (25.9) | 18 (22.0) | 0.64 |
Hospital Labs, mean ± SD |  |  |  |  |  |  |
 D-dimer (ng/L) | 1006 ± 633 | 1510 ± 1,113 | 3×10−5 | 1,622 ± 1282 | 1971 ± 1674 | 0.14 |
 CRP (mg/L) | 72.6 ± 66.8 | 140 ± 85.9 | 5×10−12 | 82.1 ± 68.3 | 126 ± 80.2 | 2×10−4 |
 LDH (U/L) | 296 ± 97.9 | 452 ± 230 | 3×10−11 | 298 ± 94 | 435 ± 184 | 3×10−9 |
Troponin (ng/L) | 31.8 ± 50.7 | 33.6 ± 37.9 | 0.76 | 42.3 ± 54.0 | 38.9 ± 40.8 | 0.69 |
 Ferritin (µg/L) | 526 ± 430 | 1118 ± 1360 | 1x10−5 | 672 ± 681 | 1502 ± 2052 | 2×10−4 |
 Creatine kinase (U/L) | 209 ± 335 | 376 ± 649 | 0.01 | 180 ± 238 | 250 ± 265 | 0.08 |
 Absolute lymphocyte count (K/uL) | 1.1 ± 0.5 | 1.0 ± 0.7 | 0.31 | 1.1 ± 0.6 | 0.9 ± 0.4 | 0.01 |