Table 1. Laboratory Data at the Time of Initial Hospitalization.
| Laboratory parameter | At time of initial hospitalization on May 4, 2021 | Reference ranges |
|---|---|---|
| White blood cells count, × 103/mm3 | 1.2 | 4 - 11 |
| Hemoglobin, g/dL | 8.0 | 13.5 - 17 |
| Platelet count, × 103/mm3 | 1 | 130 - 450 |
| IPF, % | 0.7 | 1.2 - 8.6 |
| RETC, × 103/µL | 4 | 26 - 168 |
| ANC, × 103/µL | 0 | 1.5 - 7.8 |
| Monocytes, × 103/µL | 0.0 | 0.2 - 1.0 |
| Protime, s | 12.7 | 9.4 - 12.5 |
| Transferrin, mg/dL | 181.9 | 200 - 390 |
| Ferritin, ng/mL | 534 | 20 - 250 |
| Fibrinogen, mg/dL | 478 | 200 - 465 |
| LDH, U/L | 203 | 135 - 225 |
| Haptoglobin, mg/dL | 242 | 43 - 212 |
IPF: immature platelet fraction; RETC: reticulocyte count; ANC: absolute neutrophil count; LDH: lactate dehydrogenase.