class: 1, 2
AGE: continuous
SEX: 1, 2
STEROID: 1, 2
ANTIVIRALS: 1, 2
FATIGUE: 1, 2
MALAISE: 1, 2
ANOREXIA: 1, 2
LIVER BIG: 1, 2
LIVER FIRM: 1, 2
SPLEEN PALPABLE: 1, 2
SPIDERS: 1, 2
ASCITES: 1, 2
VARICES: 1, 2
BILIRUBIN: continuous
ALK PHOSPHATE: continuous
SGOT: continuous
ALBUMIN: continuous
PROTIME: continuous
HISTOLOGY: 1, 2