Description of columns

SLN: Unique sample identifier

Training: 1 = training set sample

2 = validation set sample

IR1: Measure of IR1 signature average

IR2: Measure of IR2 signature average

Model Value: Combined model of IR1 and IR2 fitted to training set

Follow up time: Time in years from diagnosis until death or loss to follow up

Status at follow up: 1 = dead at last follow up

0 = alive at last follow up

Extra Nodal site>1 0 = at most 1 Extra Nodal site

1 = more than 1 Extra Nodal site

Age>60 0 = patient age < 60 years

1 = patient age > 60 years

LDH>1 0 = normalized LDH < 1

1 = normalized LDH > 1

Pstat>1 0 = Performance status 0-1

1 = Performance status 2-4

Stage>2 0 = Stage 1 or 2 disease

1 = Stage 3 or 4 disease

IPI.gp 1 = IPI value 0-1

2 = IPI value 2-3

3 = IPI value 4-5