Table 1.
Laboratory parameters during the course of coronavirus disease 2019 in the patient with ankylosing spondylitis
| Pre-infectiona | Hospitalization | Follow-upb | |
|---|---|---|---|
| WBC (µL) (4800–10,800) | 8200 | 5400 | 4900 |
| Neutrophil (µL) (1800–7700) | 4000 | 3200 | 1500 |
| Lymphocyte (µL) (1000–4800) | 3400 | 1400 | 2500 |
| Monocyte (µL) (300–800) | 700 | 800 | 700 |
| Hct (%) (36–46) | 39.5 | 40 | 39.8 |
| Platelets (µL) (130,000–400,000) | 268,000 | 222,000 | 219,000 |
| ESR (mm/h) (0–30) | 23 | 34 ↑ | – |
| CRP (mg/L) (0–8) | 4.71 | 10.6 ↑ | 1.15 |
| ALT (U/L) (7–35) | 16 | 22 | 46 |
| AST (U/L) (15–41) | 19 | 32 | 27 |
| LDH (U/L) (115–248) | – | 258 ↑ | – |
| BUN (mg/dL) (8–20) | 11.9 | 11 | 10.3 |
| CK (U/L) (38–234) | – | 53 | – |
| Creatinine (mg/dL) (0.4–1.0) | 0.58 | 0.54 | 0.56 |
| PT (s) (11–15) | – | 11.6 | 10.7 |
| aPTT (s) (20–35) | – | 21.4 | 21 |
| Fibrinogen (mg/dL) (180–380) | – | 427.63 ↑ | – |
| Ferritin (ng/mL) (11–307) | – | 43.1 | – |
| D-dimer (mg/L) (0–0.55) | – | 0.4 | – |
WBC white blood cell, Hct hematocrit, ESR erythrocyte sedimentation rate, AST aspartate aminotransferase, ALT alanine aminotransferase, LDH lactic dehydrogenase, CK creatinine kinase, PT prothrombin time, aPTT activated partial thromboplastin time
a2 months before COVID-19
b2 weeks after discharge