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Table 2 Patients' characteristics.

From: Treatment results and prognostic factors of pediatric neuroblastoma: a retrospective study

Variable

No

%

1. Age at diagnosis:

  

a) <1 year

12

22.6

b) ≥ 1 year

41

77.4

2. Sex

  

a) Males

35

18

b) Females

66

34

3. Stage

  

a) III

13

24.6

b) IV

36

67.9

c) IVS

4

7.5

4. Risk group

  

a) Low Risk

4

7.5

b) Intermediate Risk

13

24.6

c) High Risk

36

67.9

5. Primary site

  

a) Adrenal glands

46

86.8

b) Paraspinal

4

7.5

c) Pelvis

2

3.8

d) Mediastinal

1

1.9

6. Metastatic sites

  

a) No metastasis

13

24.5

b) Bone marrow

18

34

c) Bone marrow and bone

14

26.4

d) Bone marrow and brain

2

3.8

e) Bone marrow and lung

1

1.9

f) Bone marrow, bone and liver

1

1.9

g) Bone marrow, lung and liver

1

1.9

h) Bone

1

1.9

i) Liver

1

1.9

j) Subcutaneous nodules

1

1.9

7. MYCN amplification

  

a) yes

11

20.8

b) no

42

79.2

8. Local Radiotherapy administration

  

a) yes

25

47.2

b) no

28

52.8

TOTAL

53

100