Table 2 Number of treatments and mean age at treatment by country with standard deviation (SD) and 95% confidence intervals (CI)

Sweden

45

5.04 (1.78)

4.51–5.58

84

7.42 (2.98)

6.77–8.06

646

9.16 (3.72)

8.88–9.45

Norway

19

4.53 (1.81)

3.66–5.40

56

6.32 (3.02)

5.51–7.13

280

8.19 (3.12)

7.82–8.55

Denmark

19

7.26 (3.67)

5.50–9.03

47

7.62 (3.51)

6.59–8.65

101

7.09 (2.81)

6.53–7.64

Iceland

0

 < 5

11

10.27 (2.15)

8.83–11.72

Scotland^a

59

62

180

8.89 (3.60)

8.36–9.42

Finland

0

11

10.09 (3.30)

7.87–12.31

39

9.95 (2.84)

9.03–10.87