Figure 2: Tukey test from food survey (relation between diseases and number of reported rations). Number of rations: A in 24 to 48 hours; B and C in a year. Groups with a letter (a, b, c) in common are not statistically different, with no common letter are statistically different (p<0.05). Diseases: HBV= Hepatitis B Virus, HCV=Hepatitis C Virus, VC=Viral cirrhosis, KF= Kidney failure, CNHD=Chronic non hepatic diseases, H=Healthy.