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Table 1 Demographic characteristics of the study participants according to case (n = 49) and control (n = 78) status

From: UK case control study of brain tumours in children, teenagers and young adults: a pilot study

  Cases Controls
  n % n %
Age
0-4 16 32.7 19 24.4
5-9 13 26.5 16 20.5
10-14 11 22.5 17 21.8
15-19 5 10.2 17 21.8
20-24 4 8.2 9 11.5
Sex
Male 29 59.3 34 46.8
Female 20 40.7 44 53.2
Study centre
Leeds 18 36.7 76 97.4
Manchester 31 63.3 2 2.6
Diagnosis of cases (ICCC grouping)
Ependymomas 8 16.3   
Astrocytomas 27 55.1   
Embryonal 11 22.5   
Other specified 3 6.1