Table 3.

Classification accuracy of the top five combinations based on highest superiority index.

Test combination	Superiority Index	Sensitivity	Specificity	PPV	NPV	Youden’s index (J)	Overall accuracy	Proportion classified as impaired
Trails A, WAIS-III DS, HVLT Total Recall	1885.0	0.91	0.96	0.97	0.88	0.87	0.93	0.54
WAIS-III DS, BVMT Total, Pegboard NDH	1639.0	0.94	0.91	0.94	0.91	0.85	0.93	0.61
Trails A, WAIS-III DS, Pegboard DH	842.0	0.85	1.0	1.0	0.83	0.85	0.91	0.49
Trails A, WAIS-III DS, Color Trails 2	842.0	0.85	1.0	1.0	0.83	0.85	0.91	0.49
Trails A, HVLT Total, Pegboard NDH	593.7	0.91	0.92	0.94	0.88	0.83	0.91	0.56

Tests: Brief Visuospatial Memory Test-Revised (BVMT) Total Recall (i.e., learning score), Color Trails Test 2, Hopkins Verbal Learning Test-Revised (HVLT) Total Recall (i.e., learning score), Grooved Pegboard Test – Dominant Hand (DH) and Nondominant Hand (NDH), Trail Making Test A, Wechsler Adult Intelligence Scale-III (WAIS-III) Digit Symbol (DS).