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Table 3 Univariate analysis of correlations between Kv10.1 expression, antidepressant therapy, gender and tumor localization in patients with brain metastases

From: Analysis of the expression of Kv10.1 potassium channel in patients with brain metastases and glioblastoma multiforme: impact on survival

Parameter

Number of cases

Survival (months)

p-value

 

n (%)

median (95 % CI)

 

Eag1 expression

 High

39 (52 %)

6 (3 – 8.1)

 

 Low

36 (48 %)

11 (7 – 13.7)

0.012

Antidepressants

(amitriptyline/citalopram)

   

 Eag1 high

   

  Treated

8 (10.7 %)

6 (3 – 9.9)

 

  Untreated

27 (36 %)

6 (3 – 9)

0.1

Eag1 low

   

 Treated

10 (13.3 %)

13 (6.1 – 22.8)

 

 Untreated

25 (33.3 %)

10 (7 – 14.7)

0.03

Gender

 Male

   

  Eag1 high

26 (34.7 %)

6.2 (3.9 – 8.5)

 

  Eag1 low

13 (17.3)

10.6 (6.4 – 14.8)

0.039

 Female

   

  Eag1 high

13 (17.3 %)

10.15 (6.1– 14.2)

 

  Eag1 low

23 (30.7 %)

11.65 (9 – 14.3)

0.5

Tumor localization of brain metastases

 Fronto-parietal

   

  Eag1 high

18 (24 %)

6.5 (3 – 10)

 

  Eag1 low

17 (22.7 %)

10 (7 – 16.9)

0.15

 Temporo-occipital

   

  Eag1 high

10 (13.3 %)

6.5 (3 – 14.1)

 

  Eag1 low

6 (8 %)

8.5 (5.2 – 16.2)

0.6

 Cerebellar

   

  Eag1 high

11 (14.7 %)

5 (2.8 – 8.2)

 

  Eag1 low

13 (17.3 %)

13 (5.6 – 16.4)

0.03

  1. Significant p-values are italicized