Table 5.

Comparison of the laboratory findings of the two groups (benign disease-associated HLH and LAHS)

	Benign disease-associated HLH	Range	LAHS	Range	p value
	Mean ± SD		Mean ± SD
	n = 10		n = 11
WBC (×109/l)	4,050 ± 1,152	600–13,800	4,509 ± 799	1,800–10,700	NS
ANC (×109/l)	2,440 ± 1,170	189–12,765	3,119 ± 650	1,026–7,875	<0.05
Hb (g/dl)	11.8 ± 0.5	9.2–13.8	9.4 ± 0.5	7.4–12.6	<0.01
PLT (×109/l)	7.2 ± 1.1	4.2–13.9	10.8 ± 1.4	5.0–20.5	<0.05
AST (U/l)	1,161 ± 622	40–6,300	63.4 ± 14.2	20–157	<0.01
ALT (U/l)	904 ± 391	37–3,400	36.3 ± 10.9	8–132	<0.001
LDH (/UNL)	8.1 ± 3.2	1.4–32.3	3.6 ± 0.7	1.3–8.9	NS
CRP (mg/dl)	9.4 ± 2.9	0.4–23.6	9.0 ± 2.6	0.3–29.3	NS
sIL-2R (U/ml)	4,176 ± 677	2,162–8,657	13,451 ± 3,611	3,462–36,938	<0.005
Ferritin (ng/ml)	20,462 ± 9,330	882–100,000	2,561 ± 544	619–6,067	<0.005
sIL-2R/ferritin	0.66 ± 0.25	0.06–2.73	8.56 ± 2.79	0.72–31.1	<0.0005

UNL upper normal limit, NS not significant