|
White blood cell count (× 109/L)
|
3.5–9.5
|
9
|
Normal
|
|
Hemoglobin (g/L)
|
12–17.5
|
14.8
|
Normal
|
|
Mean corpuscular volume (fL)
|
82–92
|
87
|
Normal
|
|
Platelet count (mL)
|
150–450
|
329
|
Normal
|
|
Blood urea nitrogen (mg/dL)
|
7–20
|
10
|
Normal
|
|
Creatinine (mg/dL)
|
0.6–1.2
|
0.9
|
Normal
|
|
Aspartate aminotransferase (U/L)
|
15–40
|
18
|
Normal
|
|
Alanine aminotransferase (U/L)
|
9–50
|
19
|
Normal
|
|
24-h urine protein (mg/day)
|
< 80
|
126
|
Normal
|
|
Erythrocyte sedimentation rate (mm/h)
|
< 22
|
47
|
Elevated
|
|
C-reactive protein (mg/L)
|
0–8
|
67 (3+)
|
Elevated
|
|
Rheumatoid factor (IU/mL)
|
< 20
|
175 (3+)
|
Elevated
|
|
Anti-citrullinated protein antibody (IU/mL)
|
< 20
|
3.5
|
Negative
|
|
Antinuclear antibodies
| |
1:100
|
Negative
|
|
Double-stranded DNA antibody (IU/mL)
| |
–
|
Negative
|
|
Complement component 3 (mg/dL)
|
90–150
|
127
|
Normal
|
|
Complement component 4 (mg/dL)
|
10–40
|
17
|
Normal
|
|
Cytoplasmic antineutrophil cytoplasmic antibodies (AU/mL)
|
<15
|
113
|
Elevated
|
|
Perinuclear antineutrophil cytoplasmic antibodies (AU/mL)
|
< 15
|
< 3
|
Normal
|
|
Lupus anticoagulant
| |
–
|
Negative
|
|
Anticardiolipin antibody IgG
|
< 30
|
65.2
|
Elevated
|
|
Anticardiolipin antibody IgM
|
< 30
|
22.6
|
Negative
|
|
Beta-2-glycoprotein I IgG (U/m)
|
< 40
|
4.8
|
Negative
|
|
Beta-2-glycoprotein I IgM (U/m)
|
< 40
|
< 3
|
Negative
|
|
Hepatitis B surface antigen (mIU)
| |
–
|
Negative
|
|
Hepatitis C virus antibody (mIU)
| |
–
|
Negative
|
|
Human immunodeficiency virus antibody (mIU)
| |
–
|
Negative
|
|
SARS-CoV-2 PCR
| |
–
|
Negative
|
