REVISED DOCUMENTATION FOR LIVER.DAT   (FREE FORMAT)

    VARIABLE                     CODES
-------------------------------------------------------
 1. age                          in years

 2. albumin                      gm/dl

 3. alkaline phosphatase         U/liter
                                -9 = missing

 4. ascites                      0 = no
                                 1 = yes
                                -9 = missing

 5. serum bilirubin              mg/dl

 6. serum cholesterol            mg/dl
                                -9 = missing

 7. edema                        0 = no
                                 1 = yes

 8. edema treatment              0 = none and no treatment
                                .5 = edema but no treatment,
                                     or edema resolved
                                     by treatment
                                 1 = edema despite treatment

 9. hepatomegaly                 0 = no
                                     1 = yes
                                -9 = missing

10. time                         days between
                                 registration and earlest of
                                 death, liver transplantation
                                 and July 1986

11. platelets                    count per mm^3 blood/1000

12. prothrombin time             seconds

13. sex                          0 = male
                                 1 = female
                                -9 = missing

14. SGOT                         U/ml
                                -9 = missing

15. spiders                      0 = no
                                 1 = yes
                                -9 = missing

16. stage                        1,2,3,4
                                -9 = missing

17. censoring                    1 = death
                                 0 = other

18. treatment                    1 = D-penecillamine
                                 2 = placebo
                                -9 = not randomized

19. trigycerides                 mg/dl
                                -9 = missing

20. urine copper                 micrograms/day
                                    -9 = missing

-----------------------------------------------------------

418 records on 418 subjects; the first 312 were randomized.