| Biomarker ROCs | Poor attention rho for alpha 0.05 |
| Low visual span (n 126) | 0.575 |
| Low auditory speed of processing (% of age) (n 121) | 0.551 |
| Low visual speed of processing (% of age) (n 122) | 0.546 |
| High noradrenaline (n 133) | 0.488 |
| High adrenaline (n 133) | 0.473 |
| Low competing words score (% of pass score) (n 124) | 0.455 |
| Long threshold per cent base length/duration (n 122) | 0.384 |
| High HPL/creatinine (n 133) | 0.350 |
| Low reverse digit span (n 128) | 0.336 |
| Low red cell folate (n 133) | 0.284 |
| High threshold stapes amplitude projected (n 123) | 0.266 |
| High threshold gradient middle ear pressure (n 124) | 0.261 |
| Low threshold time to offset/base length (n 122) | 0.257 |
| High distance vision on Right (n 128) | 0.247 |
| High dopamine (n 133) | 0.232 |
| Low vitamin D (n 132) | 0.227 |
| High threshold ear canal volume (ECV) (n 123) | 0.191 |
| High Serum B12 (n 134) | 0.190 |