casea numeric identifier-patient ID
ageage in years
armtreatment arm divided into 3 groups, character string
sexa factor with levels Male Female
raceself-reported race/ethnicity, character string
fu.timesurvival or censoring time in years
fu.statcensoring status; 1=censor, 2=death
psinteger, ECOG performance score
hgbnumeric, hemoglobin count
bminumeric, body mass index, kg/m^2
alk.phosnumeric, alkaline phosphatase
astnumeric, aspartate transaminase
mdquality.sinteger, LASA QOL 0=Clinically Deficient, 1=Not Clinically Deficient
age.ordan ordered factor split of age, with levels
10-19 < 20-29 < 30-39 < 40-49 <
50-59 < 60-69 < 70-79 < 80-89