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 | 19 | 3.04 | 6.3 (4.0 to 9.8) | 1.7 | 11.1 (7.1 to 17.5) |
40–49 | 43 | 1.86 | 23.1 (17.2 to 31.2) | 6.5 | 6.7 (4.9 to 9.0) |
50–59 | 34 | 1.09 | 31.2 (22.3 to 43.6) | 10.4 | 3.3 (2.3 to 4.6) |
60–69 | 31 | 0.53 | 58.9 (41.4 to 83.7) | 9.4 | 3.3 (2.3 to 4.7) |
70–79 | 13 | 0.17 | 76.3 (44.3 to 131.5) | 5.4 | 2.4 (1.4 to 4.2) |
80+ | 2 | 0.01 | 346.9 (86.8 to 1387.3) | 0.2 | 9.1 (2.3 to 36.5) |
Total | 142 | 6.769 | 21.2 (18.0 to 25.0) | 33.6 | 4.2 (3.6 to 5.0) |
Women | |||||
25–39 | 11 | 3.47 | 3.2 (1.9 to 5.7) | 0.6 | 17.3 (9.6 to 31.2) |
40–49 | 23 | 2.26 | 10.0 (6.7 to 15.1) | 2.6 | 8.7 (5.8 to 13.1) |
50–59 | 27 | 1.73 | 15.6 (10.7 to 22.7) | 6.0 | 4.5 (3.1 to 6.6) |
60–69 | 22 | 0.91 | 24.2 (15.9 to 36.72 | 7.1 | 3.1 (2.0 to 4.7) |
70–79 | 22 | 0.31 | 72.1 (47.4 to 109.4) | 5.4 | 4.1 (2.7 to 6.2) |
80+ | 6 | 0.06 | 105.7 (47.5 to 235.2) | 1.9 | 3.2 (1.5 to 7.2) |
Total | 111 | 8.8 | 12.7 (10.5 to 15.3) | 23.6 | 4.7 (3.9 to 5.7) |
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.