Table 1.
Sample characteristics.
| Variables | Entire cohort | Discovery cohort | Validation cohort | |
|---|---|---|---|---|
| No. of patients | 29,420 | 19,777 | 9,423 | |
| Age | 55.608 ± 7.391 | 55.604 ± 7.368 | 55.615 ± 7.441 | |
| Sex |
Female | 15,357(52.2%) | 10,280(51.6%) | 5,077(53.9%) |
| Male | 14,063(47.8%) | 9,717(48.4%) | 4,346(46.1%) | |
| BMI | 26.473 ± 4.357 | 26.398 ± 4.313 | 26.631 ± 4.444 | |
| WHR | 0.873 ± 0.088 | 0.873 ± 0.088 | 0.874 ± 0.087 | |
| WC | 88.223 ± 12.588 | 88.076 ± 12.547 | 88.536 ± 12.67 | |
| HC | 100.912 ± 8.677 | 100.782 ± 8.621 | 101.187 ± 8.788 | |
| Head motion | 0.122 ± 0.058 | 0.121 ± 0.058 | 0.124 ± 0.058 | |
| Total intracranial volume (mm3) | 1.201,153 ± 114,562.735 | 1,203,410 ± 114,480.1 | 1,196,363 ± 114,596.8 | |