Table 1 Baseline characterictics of patients

Female

47

47

Location

1. Cervical

18

18

2. Thoracic

16

16

3. Conus medullaris

30

30

4. Filum terminale/cauda equine

36

36

Histology

1. Myxopapillary ependymoma (grade I)

49

49

2. Ependymoma (grade II)

48

48

3. Anaplastic ependymoma (grade III)

3

3

Secondary cancer

1. Gastric cancer

2

2

2. Lung cancer

2

2

3. Astrocytoma

1

1

4. Prostatic cancer

1

1

5. Pancreatic cancer

1

1

6. Hodgkin lymphoma

1

1

7. Intracranial meningioma

1

1