| Biomarker ROCs | Blunted affect rho for alpha 0.05 |
| Low visual span (n 126) | 0.567 |
| Low auditory speed of processing (% of age) (n 121) | 0.548 |
| High noradrenaline (n 133) | 0.513 |
| Low competing words score (% of pass score) (n 124) | 0.489 |
| Low visual speed of processing (% of age) (n 122) | 0.482 |
| High adrenaline (n 133) | 0.441 |
| Low reverse digit span (n 128) | 0.411 |
| Long threshold per cent base length/duration (n 122) | 0.294 |
| High distance vision score on right (n 128) | 0.283 |
| High HPL/creatinine (n 133) | 0.273 |
| High threshold gradient middle ear pressure (n 124) | 0.264 |
| Low vitamin D (n 132) | 0.233 |
| Low threshold time to offset/base length (n 122) | 0.211 |
| High threshold stapes amplitude projected (n 123) | 0.205 |
| Low red cell folate (n 133) | 0.193 |
| Low activated vitamin B6 (n 126) | 0.187 |
| High dopamine (n 133) | 0.182 |