front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |review

Age at risk means the age at any point in follow up that shows the outcome (death). Increasing age at risk will increase the period of follow-up. And thus reduce the HWE. An example is the following studies.