Table 1 Categorization of continuous variables identified by ROC analyses (max Youden index)
Variable | Category | Hospitalisation | Oxygen Support | Intensive Therapy | Death |
|---|---|---|---|---|---|
Cutoff | Cutoff | Cutoff | Cutoff | ||
LDH U/L | Low | < 240 | < 237 | < 334 | < 307 |
High | ≥240 | ≥237 | ≥334 | ≥307 | |
MDW | Low | < 22 | < 24 | < 25 | < 26 |
High | ≥22 | ≥24 | ≥25 | ≥26 | |
Saturation % | Low | < 96 | < 95 | < 92 | < 96 |
High | ≥ 96 | ≥95 | ≥92 | ≥96 | |
D-dimer mg/L | Low | < 0.72 | < 0.55 | < 2.37 | < 1.04 |
High | ≥0.72 | ≥0.55 | ≥2.37 | ≥1.04 | |
Prothrombin time % | Low | < 95 | < 88 | < 85 | < 77 |
High | ≥95 | ≥88 | ≥85 | ≥77 | |
CRP mg/L | Low | < 21 | < 42 | < 68 | < 43 |
High | ≥21 | ≥42 | ≥68 | ≥43 | |
Lymphocytes x103μL | Low | < 1 | < 1.2 | < 0.7 | < 0.7 |
High | ≥1 | ≥1.2 | ≥0.7 | ≥0.7 |