F2 and cirrhosis of liver: When classified as a dichotomic variable, according to the median values, the IL-6 levels over the median were significantly associated with liver cirrhosis (with χ2 = 9.77 and p = 0.002), and the IL-6 values were inversely related to the prothrombin activity (with ρ = −0.30 and p < 0.001).