Table 1

Characteristics of the 405 patients at the time of liver biopsy (comparison between the training and the validation sets).

Characteristics
Training set (n = 151)
Validation set (n = 254)
All patients (n = 405)

Age (Mean ± SD)
51 ± 14
47 ± 12
49 ± 13
Male (n (%))
82 (54)
133 (52)
215 (53)
HA (μg/l) (Mean {95% CI})
63 {47;79}
53 {41;65}
57 {47;67}
Stage of fibrosis (n (%))



0
28 (19)
33 (13)
61 (15)
1
51 (34)
103 (41)
154 (38)
2
33 (22)
58 (23)
91 (23)
3
27 (18)
47 (18)
74 (18)
4
12 (7)
13 (5)
25 (6)

Halfon et al. Comparative Hepatology 2005 4:6   doi:10.1186/1476-5926-4-6