Table 1 Patient and disease characteristics at enrollment. N = 50 patients studied

Male

Female

Sex

34

17

White

Black

Asian

Other

Race

45

4

1

1

Medulloblastoma

Atypical Teratoid

Ependymoma

Glioma

Other

Diagnosis

42

2

1

2

4

Brain

Spine, cervical

Spine, Thoracic

Spine, Lumbar

Other

Cancer Location^a

51

2

1

4

11

Yes

No

Chemotherapy Used

49

2

Cisplatin

Cyclophosphamide

Carboplatin

Lomustine

Ifosfamide

Chemotherapy Type

44

39

19

19

1

Craniospinal

Spinal Only

Radiation Location

50

1

Photon

Proton

Unknown

Radiation Type

36

14

1

> 0 to < 30

≥30

None^b

Unknown

Radiation Dose to the spine, Gy

17

29

1

4