Table 4.

Multivariate risk analysis for HHH

	Odds ratio	95 % CI	P value
Hematological diseases	11.71	1.83–74.93	<0.01
Sepsis	7.77	1.48–40.9	<0.05
WBC (min)	1.12	0.94–1.33	0.20
IL-6	1.00	1.00–1.0001	<0.05
BM macrophages (≥15 % )	9.42	2.14–41.58	<0.01

HHH histiocytic hyperplasia with hemophagocytosis, WBC (min) minimum number of WBC, BM bone marrow, CI confidence interval