Biomarker ROCs	Judgment and insight impairment rho for alpha 0.05
Low visual speed of processing (% of age) (n 121)	0.598
Low visual span (n 126)	0.595
Low auditory speed of processing (% of age) (n 121)	0.587
High noradrenaline (n 133)	0.580
High adrenaline (n 133)	0.493
Low competing words score (% of pass score) (n 124)	0.465
Low reverse digit span (n 128)	0.417
High distance vision score on right (n 128)	0.397
Long threshold per cent base length/duration (n 122)	0.327
High dopamine (n 133)	0.324
High HPL/creatinine (n 133)	0.316
Low red cell folate (n 133)	0.276
Low threshold time to offset/base length (n 122)	0.226
High threshold gradient middle ear pressure (n 124)	0.223
Low vitamin D (n 132)	0.222
Low threshold peak middle ear pressure (n 124)	0.213
Low activated vitamin B6 (n 126)	0.210
High threshold ear canal volume (ECV) (n 123)	0.201
High percent free copper to zinc ratio (n 133)	0.193
High threshold stapes amplitude projected (n 123)	0.182