Table 1 Blood tests of the patient at onset and at 1 month

hCRP

(N: 0–5 mg/L)

10.0

0.5

WBC

(N: 3.5–9.5 × 10⁹/L)

10.9

5.54

Hemoglobin

(N: 11.5–15.0 g/dL)

11.1

11.4

Urea nitrogen

(N: 2.5–8.2 mmol/L)

7.33

3.73

Serum creatine

(N: 22.0–132.0 μmol/L)

168.0

72.0

ASO

(N:0–200.0 IU/L)

890.4

876.3

ANA

(N: < 1:80)

1:1280

 < 1:80

ds-DNA

(-)

(-)

p-ANCA

(-)

(-)

ACA

(-)

(-)

c-ANCA

(-)

(-)

β2-GP1-Ab

(-)

(-)

C3

(N: 0.8–1.6 g/L)

0.89

1.02

C4

(N: 0.2–0.4 g/L)

0.35

0.26