Table 1.

Laboratory Data at Admission.

WBC	5,600	/uL	TP	6.6	g/dL	BNP	12.4	pg/mL
Neu	69	%	Alb	3.0	g/dL	Ferittin	931	ng/mL
Lym	15	%	T-Bil	0.8	mg/dL	sIL-2R	1,705	U/mL
Mono	16	%	BUN	40.4	mg/dL	Anti-CCP antibody	374	U/mL
Eo	0	%	Cr	1.11	mg/dL	Rheumatoid factor	39	IU/mL
Baso	0	%	UA	8.9	mg/dL	EBV-DNA not detected
RBC	407×106	/uL	AST	36	U/L
Hb	13.1	g/dL	ALT	25	U/L	IgG	1,297	mg/dL
Hct	38.9	%	LDH	439	U/L	IgA	436	mg/dL
MCV	95.5	%	ALP	318	U/L	IgM	86	mg/dL
RET	0.67	%	γ-GTP	15	U/L	ANA	(-)
Plt	4.2×104	/uL	CPK	16	U/L
			Na	137	mEq/L
PT (INR)	1.25		K	4.5	mEq/L
APTT	30.5	sec	Cl	103	mEq/L
Fib	400	mg/dL	Ca	8.4	mg/dL
FDP	2.7	μg/mL	CRP	4.29	mg/dL
			BS	113	mg/dL
			HbA1c	5.6	mg/dL

BNP: brain natriuretic peptide, CCP: citrullinated protein, EBV: Epstein-Barr virus, ANA: antinuclear antibody