Table 6.

VUS and Youden point estimate under the normal method, followed by 95% confidence interval and associated optimal cutoff on 14 psychometric markers on Alzheimer’s disease.

marker ID	VUS				Youden index
	estimate	(95% CI)	t−*	t+*	estimate	(95% CI)	t−*	t+*
FACTOR1	0.73	(0.62,0.83)	−0.06	3.17	0.63	(0.49,0.72)	0.56	2.91
ktemp	0.75	(0.65,0.85)	−2.04	3.45	0.62	(0.5,0.72)	−1.51	3.45
kpar	0.55	(0.43,0.68)	−1.45	1.87	0.43	(0.33,0.55)	−0.54	1.60
kfront	0.66	(0.55,0.76)	−1.68	0.91	0.49	(0.43,0.6)	−1.43	1.10
zpsy004	0.72	(0.63,0.82)	−0.18	1.81	0.57	(0.52,0.72)	0.08	1.26
zpsy005	0.52	(0.41,0.63)	−1.23	1.21	0.37	(0.28,0.49)	−0.13	0.87
zpsy006	0.60	(0.48,0.71)	−0.28	2.02	0.46	(0.35,0.58)	−0.10	1.30
zinfo	0.68	(0.58,0.78)	−0.37	1.93	0.51	(0.42,0.65)	0.07	1.50
zbentc	0.59	(0.47,0.7)	−0.42	1.56	0.45	(0.36,0.57)	0.14	1.01
zbentd	0.35	(0.24,0.46)	−0.50	1.50	0.28	(0.23,0.43)	0.67	1.55
zboston	0.57	(0.46,0.69)	−0.54	1.94	0.50	(0.42,0.61)	0.17	1.92
zmentcon	0.53	(0.42,0.64)	−0.09	1.32	0.42	(0.35,0.52)	0.24	1.00
zworflu	0.57	(0.46,0.68)	−0.37	1.33	0.41	(0.33,0.55)	−0.37	0.83
zassc	0.63	(0.52,0.74)	0.03	1.37	0.50	(0.37,0.6)	−0.07	1.06