Table 1 Frequencies of patient-, tumor- and intervention variables

Age (years)

60.6

33.5 – 82.8

Patients

n

%

Number of included patients

43

100

Gender

 Male

18

41.9

 Female

25

58.1

Tumor grade ^a

 Low Grade (WHO I&II)

11

25.6

 High Grade (WHO III&IV)

27

62.8

 No WHO classification

5

11.6

Histology ^a

 Malignant Glioma

24

55.8

 Meningioma

12

27.9

 Brain Metastases

4

9.3

 Others

3

7.0

Affected hemisphere

 Left

19

44.2

 Right

24

55.8

Tumor location

 Frontal

23

53.5

 Temporal

9

20.9

 Parietal

6

14

 Occipital

4

9.3

 Trigonal

1

2.3

Neurosurgical procedere

 Gross total resection

16

37.2

 Partial resection

19

44.2

 Stereotacted, neuronavigated biopsy

7

16.3

 No surgery

1

2.3