Table 3 Childhood leukaemia incidence rate per million person-years by sex and age, England and Wales, 1971–2000

From: Increasing incidence of childhood leukaemia: a controversy re-examined

  Period of diagnosis Average quinquennial change (1971–2000)
  1971–1975 1976–1980 1981–1985 1986–1990 1991–1995 1996–2000 Time trend a 95% confidence intervals
All 38.3 39.2 41.3 42.5 43.7 46.1 1.5 1.5 1.5
Sex
 Male 43.7 43.4 44.9 45.8 49.4 49.8 1.3 1.3 1.3
 Female 32.6 34.7 37.6 39.0 37.8 42.2 1.7 1.7 1.7
Age (years)
 <1 25.5 25.3 29.2 33.2 32.9 37.2 2.4 1.0 3.8
 14 64.5 66.6 69.0 72.6 72.9 79.8 2.8 1.7 3.8
 59 32.0 31.6 33.7 32.6 34.4 35.8 0.8 0.1 1.4
 1014 20.7 22.1 23.5 23.7 25.7 23.9 0.8 0.3 1.3
  1. aAverage quinquennial change in the incidence rate per million person-years between 1971–1975 and 1996–2000.
  2. Incidence rates are age-standardised to the world standard population.