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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.