Table 1.
Basic characteristics of the selected UK Biobank cohort
| Training set | Validation set | Test set | |
|---|---|---|---|
| (N = 219 604) | (N = 86 321) | (N = 86 321) | |
| Race, n (%) | |||
| White | 206 394 (93.985) | 81 646 (94.584) | 81 365 (94.259) |
| Mixed | 1304 (0.594) | 478 (0.553) | 497 (0.576) |
| Asian | 3489 (1.589) | 1394 (1.615) | 1364 (1.580) |
| Black | 4459 (2.030) | 1468 (1.701) | 1621 (1.878) |
| Chinese | 728 (0.332) | 159 (0.184) | 213 (0.247) |
| Other | 2046 (0.932) | 670 (0.776) | 747 (0.865) |
| Unknown | 690 (0.314) | 293 (0.339) | 325 (0.377) |
| Did not answer | 494 (0.225) | 213 (0.246) | 189 (0.219) |
| Sex, n (%) | |||
| Female | 122 353 (55.715) | 47 315 (54.813) | 47 786 (55.358) |
| Male | 97 251 (44.285) | 39 006 (45.187) | 38 535 (44.641) |
| Age, n (%) | |||
| <65 years | 58 988 (59.447) | 16 905 (59.472) | 19 680 (59.449) |
| ≥65 years | 160 616 (74.378) | 69 416 (75.381) | 66 641 (74.946) |
| All | 219 604 (70.367) | 86 321 (72.266) | 86 321 (71.413) |