Biomarker ROCs	Unusual thought content rho for alpha 0.05
Low auditory speed of processing (% of age) (n 121)	0.581
Low visual speed of processing (% of age) (n 121)	0.580
Low visual span (n 126)	0.567
Low competing words score (% of pass score) (n 124)	0.456
High noradrenaline (n 133)	0.447
High adrenaline (n 133)	0.386
High distance vision score on right (n 128)	0.363
Low reverse digit span (n 128)	0.351
High HPL/creatinine (n 133)	0.325
Long threshold per cent base length/duration (n 122)	0.297
Low red cell folate (n 133)	0.287
High serum B12 (n 134)	0.249
Low threshold peak middle ear pressure (n 124)	0.240
High dopamine (n 133)	0.237
High threshold stapes amplitude projected (n 123)	0.223
High threshold ear canal volume (ECV) (n 123)	0.194
Low vitamin D (n 132)	0.194
High percent free copper to zinc ratio (n 133)	0.192
Low activated vitamin B6 (n 126)	0.178