Sex and age groups | Incident cases | Person years in 1000 | Crude incidence rate per 1000 person years (95% CI) | Expected number of cases* | SIR (95% CI)* |
Men | |||||
25–39 | 9 | 3.1 | 2.9 (1.5 to 5.5) | 0.6 | 14.5 (7.5 to 27.8) |
40–49 | 21 | 2.1 | 9.8 (6.4 to 15.0) | 3.3 | 6.3 (4.1 to 9.7) |
50–59 | 30 | 1.5 | 20.6 (14.4 to 29.5) | 6.3 | 4.8 (3.3 to 6.8) |
60–69 | 16 | 0.8 | 19.0 (11.6 to 31.0) | 5.7 | 2.8 (1.7 to 4.6) |
70–79 | 7 | 0.3 | 22.3 (10.6 to 46.7) | 2.6 | 2.7 (1.3 to 5.7) |
80+ | 2 | 0.0 | 94.3 (23.6 to 377.0) | 0.1 | 18.3 (4.6 to 73.0) |
Total | 85 | 7.9 | 10.8 (8.7 to 13.3) | 18.6 | 4.6 (3.7 to 5.6) |
Women | |||||
25–39 | 2 | 3.5 | 0.6 (0.1 to 2.3) | 0.2 | 12.1 (3.0 to 48.5) |
40–49 | 10 | 2.4 | 4.2 (2.3 to 7.8) | 0.8 | 13.2 (7.1 to 24.5) |
50–59 | 13 | 1.9 | 6.7 (3.9 to 11.5) | 2.0 | 6.6 (3.8 to 11.4) |
60–69 | 14 | 1.1 | 12.3 (7.3 to 20.9) | 2.5 | 5.5 (3.3 to 9.3) |
70–79 | 6 | 0.5 | 12.8 (5.8 to 28.6) | 1.7 | 3.6 (1.6 to 7.9) |
80+ | 0 | 0.1 | 0 | 0.3 | |
Total | 45 | 9.6 | 4.7 (3.5 to 6.3) | 7.4 | 6.1 (4.5 to 8.1) |
Statistically significant results in bold.
*Age-standardised by indirect standardisation with reference rates for the total Norwegian population during 2001–2009 stratified by sex, calendar year and 1 year age groups.
SIR, standardised incidence ratio.