| 1st follow up examination | 2nd follow up examination | 3rd follow up examination | 4th follow up examination | 5th follow up examination |
---|---|---|---|---|---|
Number of participants | 6232 | 6654 | 6701 | 6319 | 5725 |
Cumulative number of individuals who experience death | 232 | 373 | 558 | 757 | 894 |
Number of eligible participants | 10,136 | 9995 | 9810 | 9611 | 9474 |
Response rate | 61.5 | 66.6 | 68.3 | 65.6 | 60.4 |