Table 3 Serologic and laboratory data
Lab | Result | Normal Range |
|---|---|---|
ANA, HEp-2, IgG | > 1:2560 (speckled) | < 1:40 |
Smith-RNP Ab, IgG | 135 AU/mL | 0–40 AU/mL |
Smith Ab, IgG | 5 AU/mL | 0–40 AU/mL |
dsDNA Ab, IgG | none detected | none detected |
SSA (Ro) Ab, IgG | Negative | 0–40 AU/mL |
SSB (La) Ab, IgG | 3 AU/mL | 0–40 AU/mL |
Scl-70 Ab, IgG | 6 AU/mL | 0–40 AU/mL |
Centromere Ab, IgG | 3 AU/mL | 0–40 AU/mL |
RNA polymerase III Ab, IgG | 8 units | 0–19 units |
Beta-2-glycoprotein Ab, IgG/IgM | 1 SGU/3 SMU | 0–20 SGU/0–20 SMU |
Cardiolipin Ab, IgG/IgM | 3 GPL units/3 MPL | 0–14 GPL units/0–12 MPL |
CCP Ab, IgG | < 0.5 unit/mL | < 0.5 unit/mL |
Rheumatoid factor | < 9 IU/mL | < 9 IU/mL |
ESR | 4 mm/h | 0–15 mm/h |
CRP | 2.1 mg/dL | 0–0.7 mg/dL |
C3 | 112 mg/dL | 83–152 mg/dL |
C4 | 13 mg/dL | 13–37 mg/dL |
Creatine kinase | 57 unit/L | 55–370 unit/L |