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. Author manuscript; available in PMC: 2015 Nov 1.

Published in final edited form as: Alzheimers Dement. 2014 Mar 20;10(6):675–683. doi: 10.1016/j.jalz.2013.11.007

Table 3.

UK-ADC Participants’ Characteristics at Initial UDS Assessment (N = 667)

	Normal (CDR_sob = 0)		MCI (0.5 ≤ CDR_sob ≤ 2.0)		Dementia (CDR_sob > 2.0)
	Test naive (n = 250)	Test exposed (n = 239)	Test naive (n = 72)	Test exposed (n = 51)	Test naive (n = 29)	Test exposed (n = 26)
Age, years (mean ± SD)	72.7 ± 6.0	75.4 ± 7.2^*	76.0 ± 6.5	80.0 ± 7.9^*	77.6 ± 6.2	79.6 ± 8.3
Education, years (mean ± SD)	16.1 ± 2.9	16.1 ± 2.4	16.0 ± 3.5	15.9 ± 3.0	14.5 ± 4.2	14.8 ± 3.9
Minority (%)	21.2	1.7^†	31.9	5.9^†	31.0	19.2
Female (%)	66.4	65.7	44.4	51.0	62.1	50.0
UDS raw total (mean ± SD)	41.7 ± 8.9	45.0 ± 8.8^*	26.7 ± 11.7	31.3 ± 11.7^*	13.0 ± 10.1	15.3 ± 10.4
UDS T score (mean ± SD)	50.0 ± 10.0	53.7 ± 9.9^*	33.1 ± 13.1	39.3 ± 13.3^*	17.8 ± 11.4	20.3 ± 11.7

^*

Significantly greater than test naive (P < .05).

^†

Significantly less than test naive (P < .05).