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. 2003 Apr;52(4):574–579. doi: 10.1136/gut.52.4.574

Table 5.

Demographic features of patients with two or more liver biopsies

No treatment between biopsies 1 and 2 Treated between biopsies 1 and 2 p Value
No of patients (%)
    Male 58 (62.4) 26 (57.8)
    Female 35 (37.6) 19 (42.2) 0.33*
Age at infection 25.8 (10.3) 29.8 (11.6) 0.112†
Age at biopsy 43.1 (10.84) 45.55 (9.83) 0.218†
Necroinflammatory score (Ishak) bx1 3.04 (1.92) 4.09 (1.76) 0.003†
Fibrosis score bx1
    Ishak 1.94 (1.82) 2.89 (1.86) 0.005†
    METAVIR 1.24 (1.27) 1.86 (1.4) 0.02†
Duration infection to 1st biopsy (y) 15.6 (7.3) 16.9 (8.19) 0.464†
Duration 1st biopsy to 2nd biopsy 2.73 (1.38) 2.67 (1.24) 0.801†
Rate infection to 1st biopsy (fibrosis units/y)
    Ishak 0.15 0.22 (0.23) 0.177†
    METAVIR 0.096 0.12 (0.16) 0.218†
Risk factors (%)
    Blood 19 (20.4) 14 (31.1)
    IVDU 29 (31.2) 18 (40) 0.133*
    Unknown 45 (48.4) 13 (28.9)
Alcohol consumption (units/week) (%)
    Unknown 35 (37.6) 17 (37.8)
    <40 46 (49.6) 17 (37.8) 0.189*
    >40 12 (12.9) 11 (24.4)
Caucasian 70 (75.3) 34 (75.6) 0.971*
Non-Caucasian 23 (24.7) 11 (24.4)
Viral genotype (%)
    1 25 (26.9) 12 (26.7)
    Non-1 16 (17.2) 10 (22.2) 0.765*
    Unknown 52 (55.9) 23 (51.1)

Values are mean (SD) or number (%). …IVDU, intravenous drug use. … *χ2 test

†Independent t test.