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Table 1 Characteristics of cases of neuroblastic tumour in the NRYPMDRa

From: Temporal clustering of neuroblastic tumours in children and young adults from Northern England

  No. of cases (%)
Overall (0–24 years) 227 (100 %)
Males 118 (52 %)
Females 109 (48 %)
Age at diagnosis:  
<18 months 76 (33.5 %)
18 months – 4 years 99 (43.6 %)
5–24 years 52 (22.9 %)
Time period:  
1968–1978 49 (21.6 %)
1979–1989 60 (26.4 %)
1990–2000 61 (26.9 %)
2001–2011 57 (25.1 %)
  Mean Median Inter-quartile range
Age at diagnosis (years) 3.74 2.23 0.96–4.51
Annual number of cases 5.16 5 4–7
  1. aBased on cases diagnosed during 1968-2011 inclusive