Table 1 Estimates of SIRs for familial risk of offspring nervous system tumours in the Nordic countries

From: Familial risks in nervous system tumours: joint Nordic study

 

Sweden, Norway, Denmark, Finland and Iceland

 

Parental proband

Sibling proband

Parent and sibling proband

  

Age of cases

O

SIR

95% CI

O

SIR

95% CI

O

SIR

95% CI

No family history

All

0–19 years

125

2.24

1.87

2.67

54

2.71

2.03

3.54

10

23.47

11.18

43.34

7401

7590

20+ years

384

1.58

1.42

1.74

246

1.85

1.63

2.10

32

11.80

8.06

16.67

24 095

24 757

All ages

509

1.70

1.56

1.86

300

1.97

1.75

2.20

42

13.38

9.64

18.10

31 496

32 347

  1. Abbreviation: SIR=standardised incidence ratio.
  2. SIR adjusted for age, sex and 5-year periods. Values given in bold indicate that 95% CI do not include 1.0.
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