Table 2 Characteristics of patients and tissues

From: Expression of miR-487b and miR-410 encoded by 14q32.31 locus is a prognostic marker in neuroblastoma

 

Preliminary cohort (%)

Validation set (%)

Total (%)

Number of tissues

13

214

227a

 Stage

1

1 (8)

33 (15)

34 (15)

2

2 (15)

45 (21)

47 (21)

3

2 (15)

46 (21)

48 (21)

4

7 (54)

74 (36)

81 (36)

4S

1 (8)

16 (7)

17 (7)

 Age at diagnosis

<18 months

8 (62)

101 (47)

109 (48)

18 months

5 (38)

113 (53)

118 (52)

 MYCN status

   

Amplified

8 (62)

23 (11)

31 (14)

Non-amplified

5 (38)

191 (89)

196 (86)

Number of patients

  

226a

 Present status

Alive

6 (46)

152 (71)

158 (70)

Death of disease

7 (54)

62 (29)

68 (30)

 Disease-free status

Disease-free

4 (31)

132 (62)

136 (60)

Disease

9 (69)

82 (38)

90 (40)

  1. aTwo tumour specimens were obtained from the same patient at different time of resection, one at diagnosis (validation set), the second at relapse (preliminary cohort).