Table 1 Overview of basic clinical and laboratory parameters of CNSL patient cohort (n = 56) (detailed data in table S1)

Age: median (range)

 at diagnosis

65 (18–79) years

 at sampling

67 (18–79) years

Time initial dg - sampling: median (range)

 PCNSL

0 (0–64) months

 SCNSL

3 (0–91) months

Initial lymphoma diagnosis:

 PCNSL

25

 SCNSL

31

  - DLBCL

19

  - BL

3

  - HGBL

2

  - others

7

Newly diagnosed / relapsed

40* / 16

 PCNSL (n = 25)

22 / 3

 SCNSL (n = 31)

18 / 13

Follow-up: median (range)

14 (2-109) months