3) According to variation in age in patients with HCV positive:
It was clear that at the age which is more than 40 years old, the prevalence of HCV increases as shown in table (3) , 1676 cases (85.6%) were over 40 year old. Using the relation between all the parameters with different ages in HCV positive cases, all parameters were statistically significant with p <0.001 except sex was not statistically significant, as p was 0.239.