Table 1 Laboratory test results

 White blood cell

5000/µL

  Granulocytes

78.8%

  Lymphocytes

11.3%

  Monocytes

9.9%

 Red blood cells

466 × 10⁴/µL

 Hemoglobin

12.0 g/dL

 Hematocrit

38.5%

 Platelets

20.8 × 10⁴ /µL

Electrolytes

 Na

133 mEq/L

 K

3.8 mEq/L

 Cl

98 mEq/L

 Ca

7.3 mg/dL

 Inorganic phosphorus

5.2 mg/dL

Chemistry

 Total protein

6.5 g/dL

 Albumin

2.4 g/dL

 Total bilirubin

0.4 mg/dL

 Aspartate aminotransferase

22 U/L

 Alanine aminotransferase

11 U/L

 Lactate dehydrogenase

236 U/L

 Alkaline phosphatase

316 U/L

 γ-glutamyl transpeptidase

9 U/L

 Amylase

68 U/L

 Creatine phosphokinase

52 U/L

 Blood urea nitrogen

35.6 mg/dL

 Creatinine

4.34 mg/dL

 C-reactive protein

7.73 mg/dL

 Procalcitonin

0.5–2.0 ng/mL

Serology

 Rheumatoid factor

13 U/mL

 Anti-cyclic citrullinated peptide antibody

1.0 U/mL

 Antinuclear antibodies

1:40

 Erythrocyte sedimentation rate

67 mm/h

 Matrix metalloproteinase 3

1109.7 ng/mL

 IgG

1981 mg/dL

 IgA

691 mg/dL

 IgM

67 mg/dL