| Age (y) | Incidence per 100 000 person-years (95% CI) | Incidence ratio (95% CI) | Ratio women/men (95% CI) |
| <25 | 2.0 (1.6 to 2.6) | 0.10 (0.08 to 0.14) | 1.36 (0.82 to 2.27) |
| 25–35 | 7.7 (6.8 to 8.8) | 0.40 (0.34 to 0.46) | 0.67 (0.51 to 0.88) |
| 35–45 | 10.5 (9.0 to 11.3) | 0.52 (0.44 to 0.60) | 0.65 (0.51 to 0.82) |
| 45–55 | 19.5 (17.8 to 21.4) | Reference | 0.91 (0.76 to 1.09) |
| 55–65 | 24.8 (22.7 to 27.2) | 1.27 (1.12 to 1.45) | 1.15 (0.95 to 1.38) |
| 65–75 | 25.4 (23.1 to 28.0) | 1.30 (1.14 to 1.49) | 1.26 (1.04 to 1.54) |
| 75–85 | 26.2 (22.5 to 30.4) | 1.34 (1.13 to 1.60) | 1.50 (1.07 to 2.10) |
| >85 | 31.3 (24.6–39.8) | 1.61 (1.24 to 2.07) | 0.84 (0.49 to 1.44) |