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Table 2 Samples numbers in FGFR1 low, FGFR1 high, FGFR3 low, and FGFR3 high groups in respect to tumor location, tumor grade and patient age

From: Clinical association analysis of ependymomas and pilocytic astrocytomas reveals elevated FGFR3 and FGFR1 expression in aggressive ependymomas

 

FGFR1 low

FGFR1 high

FGFR3 low

FGFR3 high

Tumor location

 Spinal

37

6

41

2

 Cerebellar

21

4

23

5

 Cerebral

16

20

20

15

  p-value

0.0001

 

0.0002

 

Tumor grade

 I

16

2

18

0

 II

50

15

54

14

 III

10

13

14

8

  p-value

0.002

 

0.013

 

Patient age

 < 16

22

12

23

12

 > =16

50

18

61

10

  p-value

0.15

 

0.055

 
  1. p-values have been calculated using Fisher’s exact test. High: Moderate-to-strong immunostaining, Low: Negative-to-low immunostaining