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Table 1 Patients information. Clinical characteristics and outcomes to anti PD1 treatment of the study cohort (n = 71)

From: Circulating extracellular vesicles expressing PD1 and PD-L1 predict response and mediate resistance to checkpoint inhibitors immunotherapy in metastatic melanoma

Age

60 (33-86)

Sex, n (%)

 male

35 (49.3)

 female

36 (50.7)

Type of melanoma, n (%)

 Cutaneous

51 (71.8)

 Uveal

6 (8.4)

 Mucosal

3 (4.2)

 Unknown origin

12 (16,9)

BRAF Status, n (%)

 mutated

34 (47.9)

 wt

37 (52.1)

Previous systemic therapy for metastatic disease, n (%)

 yes

34 (47.9)

 no

37 (52.1)

Stage at metastatic disease, n (%)

 M1a

14 (19.7)

 M1b

9 (12.7)

 M1c

31 (43.7)

 M1d

17 (23.9)

N. of metastatic sites, n (%)

 < 3

39 (54.9)

 ≧3

32 (45.1)

PS (ECOG), n (%)

 0

32 (45.1)

 1

33 (46.5)

 2

6 (8.4)

LDH, n (%)

 1x ULN

35 (49.3)

 2x ULN

28 (39.4)

 > 2x ULN

7 (9.9)

 Unspecified

1 (1.4)

NLR, median (range)

2.31 (0.83-13.19)

PLR, median (range)

141.88 (54.61-518)

Best response, n (%)

 ORR

29 (40.8)

 DCR

33 (46.5)

 CR

8 (27.6)

 PD

38 (53.5)

PFS median, months

4

OS median, months

11

  1. ULN upper limit of normal