Table 1 Laboratory data on admission

 < Urinalysis > 

 < Blood cell count > 

 < Immunology > 

Gravity

1.014

WBC

5700

/μL

CRP

7.57

mg/dL

pH

6.5

Hb

9.4

g/dl

IgG

2186

mg/dL

Blood

(3 +)

Plt

24.9

 × 10⁴ /μL

IgA

375

mg/dL

protein

(3 +)

 < Blood chemistry > 

IgM

54

mg/dL

6.11 g/g・Cr

TP

6.4

g/dL

C3

63

mg/dL

24-h proteinuria

2.0 g/day

Alb

2.1

g/dL

C4

23

mg/dL

 < Urinary sediment > 

T-Bil

0.4

mg/dL

CH50

27

U/mL

RBC

 > 100/HPF

LDH

261

U/L

ANA

 × 80

Titer

Fatty cast

( +)

BUN

46.5

mg/dL

Anti dsDNA

220

IU/mL

Waxy cast

( +)

Cr

4.25

mg/dL

MPO ANCA

9.7

U/mL

dysmorphic RBC

( +)

eGFR

11

ml/min/1.73m²

PR3 ANCA

 < 1.0

U/mL

Na

135

mEq/L

Anti GBM Ab

208

U/mL

K

4.5

mEq/L

Anti PLA2R

 < 0.7

negative

Cl

96

mEq/L

Ca

8.2

mg/dL

P

4.7

mg/dL