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Table 1 Estimated change in incidence rate/year (%) and 95% confidence interval (CI) for brain and central nervous system tumours in the age group 5-19 years in Nordic countries 1990-2008 according to NORDCAN

From: Childhood brain tumour risk and its association with wireless phones: a commentary

  Men Women
  Change in incidence rate/year (%) 95% CI n Change in incidence rate/year (%) 95% CI n
Nordic countries*       
1990-2008 -0.1 -1.2, 1.1 1 779 +0.8 -0.3, 2.0 1 541
Denmark       
1990-2008 -1.1 -3.5, 1.3 418 +0.5 -1.9, 3.1 347
Norway       
1990-2008 +3.3 0.8, 5.9 347 +2.5 0.2, 4.9 314
Sweden       
1990-2008 -2.3 -3.5, -1.1 631 +0.3 -1.6, 2.2 546
  1. Calculations were based on incidence rates age adjusted to the world standard population and rounded to two decimal places. Linear regression analysis on the logarithm of the age-adjusted incidence rates was used to calculate the trends.
  2. * = Denmark, Finland, Iceland, Norway, Sweden.