Table 1 Patient demographics
From: Machine learning prediction for COVID-19 disease severity at hospital admission
Characteristic | All (N = 1795) | 30D mortality | Mech ventilation | ||||
|---|---|---|---|---|---|---|---|
Yes (n = 156) | No (n = 1639) | Yes (n = 236) | No (n = 1559) | ||||
1 | Age | Years; mean, SD | 59.7 ± 16.6 | 67.2 ± 14.5 | 59 ± 16.6 | 59.8 ± 14.9 | 59.6 ± 16.8 |
2 | BMI | kg/m2 | 31.4 ± 8.3 | 30.3 ± 9.2 | 31.5 ± 8.2 | 32 ± 9.2 | 31.3 ± 8.1 |
3 | Covid Vac. Adm | Yes/No | 809 | 32 | 777 | 69 | 740 |
4 | WBC | 109/L | 8.2 ± 9.9 | 9.7 ± 12.3 | 8 ± 9.6 | 9.8 ± 10.4 | 7.9 ± 9.8 |
5 | Absolute Neutrophils Count | 1000/mm3 | 6.1 ± 4.8 | 7.5 ± 5 | 6 ± 4.7 | 7.7 ± 4.8 | 5.9 ± 4.7 |
6 | Mean Corpuscular Volume | Femtoliters (fL) | 87.9 ± 7.6 | 90.6 ± 7 | 87.6 ± 7.6 | 88.9 ± 6.6 | 87.7 ± 7.7 |
7 | Platelet Count | 109/L | 223.9 ± 100.8 | 179.1 ± 91 | 228.2 ± 100.6 | 204.5 ± 97.6 | 226.8 ± 101 |
8 | Ferritin | ng/mL | 1247.1 ± 3680 | 2969.4 ± 10,573.8 | 1083.2 ± 1985.7 | 2621 ± 8694 | 1040 ± 1978 |
9 | Troponin I HS | ng/L | 109 ± 945.3 | 371.7 ± 1931 | 84 ± 786.6 | 319 ± 2133 | 77.5 ± 581.3 |
10 | AST | U/L | 64.6 ± 167.2 | 114.9 ± 356.4 | 59.8 ± 135.4 | 106 ± 350.2 | 58.4 ± 116 |
11 | ALT | U/L | 47 ± 120.2 | 59.4 ± 140.6 | 45.8 ± 118.1 | 66.3 ± 221.6 | 44.1 ± 95.9 |
12 | Albumin | g/dL | 3.6 ± 0.5 | 3.4 ± 0.5 | 3.6 ± 0.5 | 3.4 ± 0.5 | 3.6 ± 0.4 |
13 | Creatinine | mg/dL | 1.6 ± 2.2 | 1.9 ± 2 | 1.5 ± 2.2 | 1.5 ± 1.5 | 1.6 ± 2.3 |
14 | D-DIMER | mg/dL | 2.2 ± 4.4 | 4.1 ± 8 | 2.1 ± 3.8 | 3.8 ± 7.3 | 2 ± 3.7 |
15 | CRP | mg/dL | 90.2 ± 73.9 | 120.3 ± 81.5 | 87.4 ± 72.5 | 131 ± 87.7 | 84.1 ± 69.6 |
16 | Immature Platelet Fraction | Percentage | 4.9 ± 5 | 5.3 ± 2.6 | 4.9 ± 5.1 | 5.6 ± 3 | 4.8 ± 5.2 |
17 | BUN | mg/dL | 21.8 ± 17.1 | 31.2 ± 21 | 20.9 ± 16.4 | 26.4 ± 16.6 | 21.1 ± 17.1 |
18 | Initial O2 Flow Rate | L/min | 4.8 ± 6.6 | 7.9 ± 12.3 | 4.5 ± 5.7 | 9 ± 12.4 | 4.2 ± 4.9 |
19 | Lowest O2 Flow Rate within 4 h | L/min | 3.8 ± 5.3 | 6.7 ± 11.2 | 3.5 ± 4.2 | 6.5 ± 9.7 | 3.3 ± 4.1 |
20 | Highest O2 Flow Rate within 4 h | L/min | 6.8 ± 10.3 | 13 ± 17.2 | 6.2 ± 9.2 | 14.9 ± 18.6 | 5.6 ± 7.7 |
21 | Initial Respiratory Rate | L/min | 19.8 ± 3.9 | 21.5 ± 5.8 | 19.6 ± 3.7 | 21.9 ± 6.1 | 19.5 ± 3.4 |
22 | Lowest Resp. Rate within 4 h | 16.7 ± 3.1 | 17 ± 3.3 | 16.7 ± 3.1 | 17.6 ± 3.8 | 16.6 ± 2.9 | |
23 | Highest Resp. Rate within 4 h | 26.1 ± 6.8 | 28.9 ± 9 | 25.8 ± 6.5 | 30.1 ± 9.1 | 25.5 ± 6.1 | |
24 | Initial SpO2 | Percentage | 93.2 ± 6.5 | 89.6 ± 9.6 | 93.6 ± 6 | 87.7 ± 12 | 94.1 ± 4.7 |
25 | Lowest Pulse oximetry within 4 h | Percentage | 90.6 ± 6.8 | 86.9 ± 10.4 | 90.9 ± 6.2 | 85 ± 12.4 | 91.4 ± 5 |