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Table 1 Patients information

From: 90-gene signature assay for tissue origin diagnosis of brain metastases

Characteristic

No. of specimens (N = 62)

Percentage (%)

Age, years

 Median

58.5

 Range

6–84

Gender

 Male

38

61

 Female

24

39

PBTs

 Meningiomas

10

56

 Gliomas

7

39

 PNET

1

5

Origin of BMs

 Lung

26

59

 Colorectal

6

14

 Breast

6

14

 Neuroendocrine

4

9

 Cervix

1

2

 Liver

1

2

Degree of differentiation in BMs

 Well-differentiated

18

41

 Poorly differentiated

26

59

  1. BM brain metastases, PBT primary brain tumor, PNET primitive neuroectodermal tumor