Period | Year range | Follow-up | Total (n) | Incidence cases (n) | Incidence rate per 2Â years |
---|---|---|---|---|---|
Exposure period | 2001–2008 | Baseline to 3rd f/u | 2203 |  |  |
Event accrual period | 2009–2018 | 4th f/u | 2064 | 230 | 11.14 |
5th f/u | 1979 | 124 | 6.27 | ||
6th f/u | 1881 | 103 | 5.48 | ||
7th f/u | 1886 | 119 | 6.31 | ||
8th f/u | 1788 | 90 | 5.03 |