Table 1.
Statistics of missing values (N=29,843).
| Features | Missing data, n (%) |
| Red blood cell count | 1860 (6.2) |
| Hemoglobin | 1858 (6.2) |
| Blood platelet count | 1883 (6.3) |
| White blood cell count | 1858 (6.2) |
| Total protein | 1791 (6.0) |
| Albumin | 1768 (5.9) |
| Globulin | 1812 (6.1) |
| Urea | 1755 (5.9) |
| Alanine aminotransferase | 1821 (6.1) |
| Aspartate aminotransferase | 1809 (6.1) |
| Cholesterol | 2126 (7.1) |
| High-density lipoprotein | 2128 (7.1) |
| Low-density lipoprotein | 2131 (7.1) |
| Sodium | 1516 (5.1) |
| Chlorine | 1585 (5.3) |
| Thrombin time | 3970 (13.3) |
| Creatinine | 1749 (5.9) |
| Uric acid | 1769 (5.9) |
| C-reactive protein | 18,249 (61.1) |
| Procalcitonin | 20,101 (67.3) |
| Glycosylated hemoglobin or HbA1ca | 14,410 (48.3) |
| Prothrombin time | 3725 (12.5) |
| Activated partial thromboplastin time | 3779 (12.7) |
aHbA1c: glycated hemoglobin.