Table.

Laboratory Findings.

<Peripheral blood>

<Blood chemistry>

<Immunological findings>

WBC

5,100

/μL

AST

489

IU/L

CRP

1.15

mg/dL

RBC

454

×104/μL

ALT

118

IU/L

HBsAg

(-)

Hgb

14.2

g/dL

ALP

1,409

IU/L

HCV Ab

(-)

Hct

44.2

%

γ-GTP

626

IU/L

TPHA

(-)

Plt

15.8

×104/μL

LDH

1,064

IU/L

IgG

2,101

mg/dL

<Urine>

CK

277

U/L

IgA

394

mg/dL

pH

6.0

TP

6.2

g/dL

IgM

136

mg/dL

SG

1.027

Alb

2.2

g/dL

IgG4

13.9

mg/dL

Protein

(3+)

LDL-C

66

mg/dL

C3

78

mg/dL

1.88

g/gCr

HDL-C

22

mg/dL

C4

28

mg/dL

0.96

g/day

Na

138

mEq/L

CH50

41

IU/mL

Occult blood

(+)

K

4.3

mEq/L

P-ANCA

<10

U/mL

Glucose

(-)

Cl

102

mEq/L

C-ANCA

<10

U/mL

Keton

(±)

Ca

8.1

mg/dL

Centromere Ab

<5.0

β2-MG

15,961

ng/mL

BUN

19

mg/dL

ANA

(-)

<Urine sediment>

Cre

0.58

mg/dL

Anti-dsDNA

<1.0

RBC

9

/HPF

UA

5.7

mg/dL

Anti-CCP

<0.6

WBC

12

/HPF

eGFR

85.1

mL/1.73 m2/m

Anti-ARSAb

<5

HbA1c

6.0

%

Anti-Scl-70

(-)

KL-6

946

U/mL

Anti-MDA5Ab

7,000

ANCA: anti-neutrophil cytoplasmic antibody, CCP: cyclic citrullinated peptide, ARS: Aminoacyl-tRNA Synthetase, Anti Scl-70: Anti Scleroderma-70