TABLE 1.
Characteristics of donor cohort
| Number of donors | 1 021 433 | |
|---|---|---|
| Female sex, n (%) | 480 043 | (47.0) |
| Age at first donation, n (%) | ||
| 18‐30 y | 513 660 | (50.3) |
| 31‐40 y | 249 731 | (24.4) |
| 41‐50 y | 171 773 | (16.8) |
| 51‐65 y | 84 141 | (8.2) |
| >65 y | 2128 | (0.2) |
| Median (IQR) | 29.9 | (23.0‐40.1) |
| Duration of follow‐up, n (%) | ||
| <5 years | 126 485 | (12.4) |
| 5‐9 years | 137 999 | (13.5) |
| 10‐19 years | 269 754 | (26.4) |
| ≥20 years | 487 195 | (47.7) |
| Median (IQR) | 19.4 | (9.7‐27.6) |
| Year of first donation, n (%) | ||
| 1980‐1989 | 277 593 | (27.2) |
| 1990‐1999 | 320 501 | (31.4) |
| 2000‐2009 | 242 469 | (23.7) |
| 2010‐2017 | 180 870 | (17.7) |
Abbreviation: IQR, interquartile range.