Table 3.

Serum Histon levels based on etiology and Japanese Severity Score.

		MILD (n=47, 53.4%)	SEVERE (n=41, 46.6%)	p
Mean Japanese Severity Score		0.8±0.4	3.7±0.5	<0.01
Histone 3	Entire group	0.06±0.19	0.04±0.05	0.37
	Biliary etiology (n=52, 59.1%)	0.08±0.22	0.02±0.03	0.22
	Non-biliary etiology (n=36, 40.9%)	0.01±0.02	0.05±063	0.55
Histone 4
	Entire group	0.10±0.13	0.09±0.12	0.76
	Biliary etiology (n=52, 59.1%)	0.10±0.14	0.11±0.10	0.89
	Non-biliary etiology (n=36, 40.9%)	0.09±0.10	0.08±0.14	0.71