. Author manuscript; available in PMC: 2016 May 27.

Published in final edited form as: Alzheimers Dement (Amst). 2016;3:43–50. doi: 10.1016/j.dadm.2016.02.005

Table 1.

Demographics and clinical characteristics by autopsy-confirmed pathology group

	CN (N=21)	High likelihood DLB (N=13)	Intermediate likelihood DLB (N=17)	AD (N=18)	X²	4-group comparison P-value
	Median (IQR)/N (%)	Median (IQR)/N (%)	Median (IQR)/N (%)	Median (IQR)/N (%)	X²	4-group comparison P-value
Age at blood draw	81.0 (77.0, 86.0)	75.5 (73.5, 80.5)	80.0 (73.0, 86.0)	78.0 (75.0, 84.0)	4.82	.185
Age at death	82.0 (79.0, 90.0)	78.5 (75.5, 81.5)	82.0 (74, 88.0)	82.0 (78.0, 86.0)	4.07	.254
Men	16 (76.2%)	10 (83.3%)	13 (76.5%)	13 (72.2%)	0.50	.920
CDR - final score	0.0 (0.0, 0.0)	1.0 (1.0, 1.0)^*	2.0 (1.0, 2.0)^*^‡	2.0 (1.0, 2.0)^*^†	46.67	< .0001
MMSE	29.0 (28.0, 29.0)	19.0 (18.0, 21.0)^*	15.0 (12.0, 18.0)^*^‡	14.0 (9.0, 17.0)^*^‡	22.87	< .0001

Abbreviations: CN, cognitively normal with normal aging pathology; IQR, interquartile range; DLB, dementia with Lewy Bodies; AD, dementia with Alzheimer’s disease pathology; CDR, Clinical Dementia Rating Scale; MMSE, Mini-Mental State Examination.

P < .01 vs. NC;

^†

P < .01 vs. high likelihood DLB;

^‡

P < .05 vs. high likelihood DLB.