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. 2019 Dec;7(23):796. doi: 10.21037/atm.2019.08.63

Table 6. Data structure and data description.

Variable names Description
Age: In years
Albumin: Serum albumin (g/dL)
alk.phos: Alkaline phosphatase (U/liter)
Ascites: Presence of ascites
ast: Aspartate aminotransferase, once called SGOT (U/mL)
bili: Serum bilirunbin (mg/dL)
chol: Serum cholesterol (mg/dL)
copper: Urine copper (ìg/day)
Edema: 0 no edema, 0.5 untreated or successfully treated, 1 edema despite diuretic therapy
hepato: Presence of hepatomegaly or enlarged liver
ID: Case number
Platelet: Platelet count
protime: Standardised blood clotting time
Sex: M/F
Spiders: Blood vessel malformations in the skin
Stage: Histologic stage of disease (needs biopsy)
Status: Status at endpoint, 0/1/2 for censored, transplant, dead
Time: Number of days between registration and the earlier of death, transplantion, or study analysis in July, 1986
trt: 1/2/NA for D-penicillamine, placebo, not randomized
trig: Triglycerides (mg/dL)