Table 1

Demographic and clinical characteristics of 316 hepatitis C virus (HCV) chronically infected patients according to alanine aminotransferase (ALT) values

Normal ALTAbnormal ALT
Group 1 (n=83)Group 2 (n=233)p Value
*Number of patients with a known blood risk factor for HCV contamination: group 1=50/83 (60.2%); group 2=147/233 (63%).
†p value relates to the difference between the three modes of contamination.
Females (F/M ratio)47 (0.57)106 (0.45) 0.08
Age at time of study (y) (mean (SD))44.5 (11.9) 47.3 (14.4) 0.20
Estimated duration of infection (y) (mean (SD))*19.5 (7.5) 12.6 (6.6)<0.001
Fortuitous diagnosis (blood donation) (%) 5 (6) 9 (4) 0.53
Mode of contamination
    Drug usage (%)25 (30) 61 (26)
    Transfusion (%)25 (30) 86 (37) 0.61†
    Others (%)33 (40) 86 (37)