ROC variables

No. of

Obs

AUC

ROC

P value

SENS

SPEC

% RR-Ho

High dopamine (DA)

133

0.702

<0.0001

0.379

0.940

0.01

High noradrenaline (NA)

133

0.851

<0.0001

0.742

0.881

0.01

High adrenaline (AD)

133

0.844

<0.0001

0.758

0.821

0.01

High (HPL/creatinine)

133

0.696

<0.0001

0.697

0.642

0.01

High free copper to zinc ratio

133

0.611

0.022

0.470

0.746

2.19

Low B6 activation

129

0.638

0.002

0.800

0.484

0.17

High serum vitamin B12 (80% CI)

134

0.563

0.0933

0.373

0.761

18.56

Low red cell folate

133

0.654

0.001

0.591

0.716

0.10

Low vitamin D

132

0.651

0.001

0.462

0.791

0.12

Low visual span

126

0.862

<0.0001

0.831

0.821

0.01

High visual speed of processing

(% of age)

122

0.875

<0.0001

0.909

0.731

0.01

High visual speed of processing discrepancy (VSOP) (% of age)

122

0.875

<0.0001

0.909

0.731

0.01

Poor distance vision on right

128

0.597

<0.0001

0.475

0.851

0.01

Low reverse digit span

127

0.810

0.000

0.900

0.552

0.02

High competing words discrepancy (% of pass score)

124

0.799

<0.0001

0.759

0.773

0.01

High auditory speed of processing discrepancy (ASOP) (% of age)

121

0.874

<0.0001

0.745

0.879

0.01

High threshold ear canal volume

123

0.603

<0.0001

0.367

0.825

0.01

Low threshold peak middle ear pressure

124

0.617

0.000

0.700

0.484

0.04

High threshold gradient middle ear pressure (90 per cent)

124

0.580

0.0674

0.370

0.891

6.74

High threshold stapes amplitude projected

123

0.626

0.003

0.583

0.651

0.29

Low threshold time to offset over base-length

122

0.659

0.001

0.683

0.613

0.01

High threshold percentage base-length over duration.

122

0.657

0.001

0.583

0.774

0.14