Table 1.
Laboratory Findings on Admission
| Peripheral blood | Serological tests | |||
| Red blood cells | 448×104/μL | C-reactive protein | 5.3 mg/dL (<0.30) | |
| Hemoglobin | 11.8 g/dL | Erythrocyte sedimentation rate | 8 mm/hr | |
| Hematocrit | 37.0% | C3 | 74 mg/dL (65-135) | |
| White blood cells | 3,500/μL | C4 | 35 mg/dL (13-35) | |
| Neutriphil | 93.0% | IgG | 987 mg/dL (870-1700) | |
| Monocyte | 2.0% | KL-6 | 560 U/mL (<500) | |
| Lymphocyte | 5.0% | SP-A | 195.0 ng/mL (<43.79) | |
| Platlet | 4.3×104/μL | SP-D | 207.9 ng/mL (<109.99) | |
| Blood chemistry | Immunology | |||
| Total protein | 4.5 g/dL | Anti-nuclear antibody | <1:80 | |
| Total bilirubin | 1.4 mg/dL | Anti-SS-A antibody | 19.0 U/mL | |
| Aspartate transaminase | 46 U/L (13-33) | Anti-SS-B antibody | 1.3 U/mL | |
| Alanine transaminase | 86 U/L (6-27) | Anti-ARS antibody | (－) | |
| Lactate dehydrogenase | 436 U/L (119-229) | Anti-MDA5 antibody | >150 index | |
| Alkaline phosphatase | 330 U/L (80-250) | Microbiological test | ||
| Gamma-glutamyl transpeptidase | 153 U/L (10-47) | CMV-antigenemia | (－) | |
| Creatinine kinase | 243 U/L (45-163) | blood culture | (－) | |
| Aldorase | 8.3 U/L | sputum culture | MSSA | |
| Myoglobin | 180 mg/dL | β-D-Glucan | 47.1 pg/mL | |
| Blood urea nitrogen | 17 mg/dL | Blood gas analysis | ||
| Creatinine | 0.60 mg/dL | pH | 7.519 | |
| Alb | 2.2 g/dL | PCO2 | 29.4 mmHg | |
| Na | 138 mEq/L | PaO2 | 39.9 mmHg | |
| K | 4.1 mEq/L | HCO3 | 23.8 mmol/L | |
| Ferritin | 318 ng/mL | BE | 2.0 mmol/L |
Abbreviation: CMV; cytomegalovirus, HBsAg; hepatitis B surface antigen, HCV; hepatitic C virus, SPA; surfactant protein A, SPD; surfactant protein D