| Biomarker ROCs | Cognitive disorganisation rho for alpha 0.05 |
| Low visual span (n 126) | 0.632 |
| High noradrenaline (n 133) | 0.583 |
| Low auditory speed of processing (% of age) (n 121) | 0.561 |
| Low competing words score (% of pass score) (n 124) | 0.520 |
| Low visual speed of processing (% of age) (n 122) | 0.510 |
| High adrenaline (n 133) | 0.459 |
| High dopamine (n 133) | 0.405 |
| High distance vision score on right (n 128) | 0.341 |
| Low reverse digit span (n 128) | 0.335 |
| High HPL/creatinine (n 133) | 0.332 |
| High serum B12 (n 134) | 0.283 |
| Low red cell folate (n 133) | 0.258 |
| High threshold gradient middle ear pressure (n 124) | 0.248 |
| Long threshold per cent base length/ duration (n 122) | 0.242 |
| Low vitamin D (n 132) | 0.233 |
| Low threshold time to offset/base length (n 122) | 0.195 |
| Low activated vitamin B6 (n 126) | 0.180 |