Occult hepatitis B virus infection and cryptogenic chronic hepatitis in an area with intermediate prevalence of HBV infection

Table 1 Demographic, biochemical and serological data and histological findings

Variable	Result
Sex (M/F)	69/35
Age (yr)	Mean: 34.8 ± 10.3, Min: 17, Max: 71
Mean AST nkat/L (± SD)1	2312.1 (± 373.4)
Mean ALT nkat/L (± SD)1	2525.5 (± 430.1)
Mean ALK Ph2 nkat/L (± SD)3	6656.3 (± 943.5)
HCV Ab (+/-)	68/36
Serum HBV-DNA (+/-)	2/102
Mean grade of necro-inflammation (of 18) (± SD)	8.2 (± 3.4)
Mean stage of fibrosis (of 6) (± SD)	3.1 (± 1.7)

¹Normal < 667 nkat/L,

²Alk Ph means alkaline phosphatase,

³Normal: 1084-5251 nkat/L.

Table 2 Demographic, biochemical, serological and histological data of patients with positive HBV-DNA

Variable	Patient No. 18	Patient No. 47
Age (yr)	21	27
Sex	M	F
AST nkat/L (± SD)1	1617	2917.3
ALT nkat/L (± SD)1	1667	2334
Alk Ph2 nkat/L (± SD)3	2133.8	8568.4
Grade of necro-inflammation (of 18)	4	18
Stage of fibrosis (of 6)	3	5
HBsAb	-	+
HBcAb	+	-
HBeAg	+	+
HBeAb	-	-
HCV-Ab	+	+

¹Normal < 667 nkat/L;

²Alk Ph means alkaline phosphatase;

³Normal: 1084-5251 nkat/L.