Table 1 Patient characteristics
|  | All patients (n = 68) | Low sPD-L1 (n = 36) | High sPD-L1 (n = 32) |  | |||
|---|---|---|---|---|---|---|---|
| Â | n | (%) | n | (%) | n | (%) | P |
Age (years) | |||||||
  ≤ 60 | 41 | (60) | 22 | (61) | 19 | (59) | 0.884 |
  >  60 | 27 | (40) | 14 | (39) | 13 | (41) |  |
Sex | |||||||
 Male | 27 | (40) | 13 | (36) | 14 | (44) | 0.622 |
 Female | 41 | (60) | 23 | (64) | 18 | (56) |  |
ECOG PS | |||||||
 0–1 | 56 | (82) | 33 | (92) | 23 | (72) | 0.054 |
  ≥ 2 | 12 | (18) | 3 | (8) | 9 | (28) |  |
Serum Lactate dehydrogenase | |||||||
 Normal | 54 | (79) | 29 | (81) | 25 | (78) | >  0.999 |
 Elevated | 14 | (21) | 7 | (19) | 7 | (22) |  |
Number of lesions | |||||||
 Single | 11 | (16) | 7 | (19) | 4 | (12) | 0.521 |
 Multiple | 57 | (84) | 29 | (81) | 28 | (88) |  |
Brain deep region involvement | |||||||
 Absence | 44 | (65) | 23 | (64) | 21 | (66) | >  0.999 |
 Presence | 24 | (35) | 13 | (36) | 11 | (34) |  |
Cell of origin subtype | |||||||
 GCB | 13 | (19) | 8 | (22) | 5 | (16) | 0.719 |
 ABC | 50 | (74) | 25 | (69) | 25 | (78) |  |
 Not evaluated | 5 | (7) | 3 | (8) | 2 | (6) |  |
Ki67 | |||||||
  < 90 | 23 | (34) | 11 | (31) | 12 | (38) | 0.769 |
  ≥ 90 | 42 | (62) | 23 | (64) | 19 | (59) |  |
 Not evaluated | 3 | (4) | 2 | (6) | 1 | (3) |  |