Table 3 Univariate analysis of prognostic factors in patients (n = 69) with neuroblastoma

From: MYCN RNA levels determined by quantitative in situ hybridization is better than MYCN gene dosages in predicting the prognosis of neuroblastoma patients

Variables

Case number

5-year event-free survival, % (SE)

P value

5-year overall survival, % (SE)

P value

Age at diagnosis (months)

  

0.001*

 

0.001*

18 months

32

75.8 (8)

 

81.4 (7.7)

 

 >18 months

37

20.1 (7.5)

 

21.1 (9.6)

 

International Neuroblastoma Staging System stage

  

<0.001*

 

<0.001*

 1, 2, 4s

23

90.2 (6.6)

 

95.2 (4.6)

 

 3, 4

46

22 (7.1)

 

38.2 (8.5)

 

Primary tumor site

  

0.57

 

0.412

 Adrenal

53

45.3 (7.4)

 

52.3 (8)

 

 Extraadrenal

16

46.7 (15.1)

 

76 (12.3)

 

International Neuroblastoma Pathology Classification histology

  

<0.001*

 

<0.001*

 Favorable

33

77.1 (8.3)

 

86.5 (7.4)

 

 Unfavorable

36

19.9 (7.2)

 

33 (9)

 

MYCN

  

0.034*

 

0.03*

 Amplified

17

22.1 (13)

 

38.1 (15)

 

 Non-amplified

52

52.1 (7.6)

 

62.5 (7.9)

 

Children’s Oncology Group risk group

  

<0.001*

 

<0.001*

 Nonhigh risk

25

90.4 (6.5)

 

93.3 (6.4)

 

 High risk

44

21.8 (7)

 

38.9 (8.5)

 

MYCN RNA in situ hybridization expression

  

<0.001*

 

<0.001*

 Low

39

76.3 (7.9)

 

79.1 (8.6)

 

 High

30

9.2 (6)

 

16.1 (8.2)

 
  1. *P < 0.05