Table 1.
Laboratory results
| Laboratory tests on admission | Serology tests on day 4 | ||
| WCC | 7.4x109/L | ANA | <1:20 |
| Hb | 14.4 g/dL | MPO-ANCA | 3.9 U/mL |
| Plt | 384×109/L | PR3-ANCA | <1.0 U/mL |
| AST | 71 U/L | ACCP Ab | <0.6 U/mL |
| ALT | 32 U/L | Anti-ARS Ab | – |
| LDH | 433 U/L | Anti-MDA5 Ab | – |
| ALP | 630 U/L | Anti-TIF-1-γ Ab | – |
| GGT | 96 U/L | KL-6 | 364 U/mL |
| T-Bil | 0.5 mg/dL | SP-D | 150 ng/mL |
| UN | 32 mg/dL | CMV Ag | – |
| Cre | 1.48 mg/dL | Aspergillus Ag | – |
| TP | 6.4 g/dL | Beta-d-glucan | <6.0 pg/mL |
| Alb | 2.4 g/dL | T-SPOT. TB | – |
| CRP | 29.58 mg/dL | Anti-HIV Ab | – |
Ab, antibody; ACCP, anticyclic citrullinated peptide; Ag, antigen; Alb, albumin; ALP, alkaline phosphatase; ALT, alanine aminotransferase; ANA, antinuclear antibody; ARS, antiaminoacyl tRNA synthetase; AST, aspartate aminotransferase; CMV, cytomegalovirus; Cre, creatinine; CRP, C-reactive protein; GGT, gamma glutamyl transferase; Hb, haemoglobin; KL-6, Klebs von den Lungen-6; LDH, lactate dehydrogenase; MDA5, melanoma differentiation-associated gene 5; MPO-ANCA, myeloperoxidase-antineutrophil cytoplasmic antibody; Plt, platelet; PR3-ANCA, proteinase-3-antineutrophil cytoplasmic antibody; SP-D, surfactant protein D; T-Bil, total bilirubin; TIF1-γ, transcriptional intermediary factor 1-γ; TP, total protein; UN, urea nitrogen; WCC, white cell count.