| Biomarker ROCs | Anxiety rho for alpha 0.05 |
| Low visual speed of processing (% of age) (n 121) | 0.497 |
| Low visual span (n 126) | 0.491 |
| Low auditory speed of processing (% of age) (n 121) | 0.521 |
| High noradrenaline (n 133) | 0.454 |
| High adrenaline (n 133) | 0.418 |
| Low reverse digit span (n 128) | 0.324 |
| Low competing words score (% of pass score) (n 124) | 0.330 |
| High HPL/creatinine (n 133) | 0.288 |
| Low vitamin D (n 132) | 0.248 |
| High percent free copper to zinc ratio (n 133) | 0.245 |
| High distance vision score on Right (n 128) | 0.249 |
| High dopamine (n 133) | 0.234 |
| Low red cell folate (n 133) | 0.219 |
| Low threshold peak middle ear pressure (n 124) | 0.219 |
| High threshold gradient middle ear pressure (n 124) | 0.220 |
| Long threshold per cent base length/duration (n 122) | 0.192 |
| High threshold stapes amplitude projected (n 123) | 0.183 |
| Low threshold time to offset/base length (n 122) | 0.109 |