Table 1.

Laboratory findings on admission

Blood counts
White blood cell	7,000/µL
Red blood cell	371X 104/µL
Hemoglobin	12.2 g/dL
Platelet	14.1 X 104/µL
Coagulation
PT-INR	1.05
APTT	32.7 s
Fibrinogen	507 mg/dL
D-dimer	1.4 μg/mL
Blood chemistry
Sodium	132 mEq/L
Potassium	4.8 mEq/L
Chloride	97 mEq/L
Calcium	8.6 mg/dL
Phosphorus	4.8 mg/dL
Magnesium	2.2 mg/dL
Urea nitrogen	74 mg/dL
Creatinine	7.04 mg/dL
Total protein	6.4 g/dL
Albumin	3.1 g/dL
LDH	603 U/L
AST	21 U/L
ALT	30 U/L
ALP	128 U/L
Total bilirubin	1.2 mg/dL
Glucose	105 mgdL
C-reactive protein	7.96 mg/dL
Brain natriuretic peptide	341.3 pg/mL
IgG	1297.9 mg/dL
IgA	251.9 mg/dL
IgM	56 mg/dL
Rheumatoid factor	5.4 U/mL
Anti-nuclear antibody	20 fold
Anti-ds-DNA IgG antibody	< 0.5 U/mL
CH50	≥ 60.0/mL
ASO	12 U/mL
PR3-ANCA	< 1.0 U/mL
MPO-ANCA	< 1.0 U/mL
Anti-GBM antibody	< 2.0 U/mL
Serum electrophoresis	All negative
Urine electrophoresis	All negative
Venous blood gas
pH	7.324
pCO2	41.7 torr
HCO3−	21.1 mmol/L
Urine test
Urine protein	1+
Urine blood	1+
Urine white blood cell	1+
Specific gravity	1.007
Urine urobilinogen	±
Urine bilirubin	Negative
Urine sediment
Red blood cell	1-4/HPF
White blood cell	1-4/HPF
Urine chemistry
Urine UN	325 mg/dL
Urine Cr	53.3 mg/dL
Urine Na	34.2 mEq/L
Urine K	9.1 mEq/L
Urine Cl	19.1 mEq/L
Urine β2-microglobulin	10,902 µg/L
Urine NAG	8.9 U/L

PT-INR prothrombin international normalized ratio, APTT activated partial thromboplastin time, LDH lactate dehydrogenase, AST aspartate aminotransferase, ALT alanine aminotransferase, ALP alkaline phosphatase, Anti-ds-DNA anti-double-stranded DNA, ASO antistreptolysin O, GBM glomerular basement membrane, HPF high power field, NAG N-acetyl-beta-D-glucosaminidase