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Table 4 Clinical and biological characteristics of the NB cohort used for pyrosequencing validation

From: Two independent epigenetic biomarkers predict survival in neuroblastoma

  INRG staging system
Characteristics L1 L2 M MS Total
Number of patients 12 21 42 8 83
Patients over 18 months at diagnostic 3 8 38 0 49
Sex
 Female 8 6 16 3 33
 Male 4 15 26 5 50
MYCN status
 Amplified (%) 0 8 (38%) 16 (38%) 1 (12.5%) 25 (30%)
 Not amplified (%) 12 (100%) 13 (62%) 23 (55%) 7 (87.5%) 55 (66%)
 Not determined (%) 0 0 3 (7%) 0 3 (4%)
Patients with relapse (%) 3 (25%) 5 (24%) 22 (52%) 0 30 (36%)
Dead (%) 0 6 (29%) 25 (60%) 0 31 (37%)