| Biomarker ROCs | Self neglect rho for alpha 0.05 |
| Low visual span (n 126) | 0.509 |
| High noradrenaline (n 133) | 0.441 |
| High adrenaline (n 133) | 0.419 |
| Low visual speed of processing (% of age) (n 121) | 0.411 |
| Low competing words score (% of pass score) (n 124) | 0.373 |
| Low auditory speed of processing (% of age) (n 121) | 0.350 |
| High HPL/creatinine (n 133) | 0.321 |
| Low reverse digit span (n 128) | 0.311 |
| Long threshold per cent base length/duration (n 122) | 0.269 |
| High serum B12 (n 134) | 0.265 |
| High distance vision score on right (n 128) | 0.260 |
| High dopamine (n 133) | 0.250 |
| Low vitamin D (n 132) | 0.241 |
| Low threshold time to offset/base length (n 122) | 0.223 |
| High threshold gradient middle ear pressure (n 124) | 0.187 |
| High threshold stapes amplitude projected (n 123) | 0.187 |
| Low red cell folate (n 133) | 0.175 |