. Author manuscript; available in PMC: 2018 Feb 14.

Published in final edited form as: Alzheimers Dement. 2016 Oct 15;13(5):541–549. doi: 10.1016/j.jalz.2016.08.012

Table 1.

Participant demographics

Groups	Diagnosis	n =	Male/Female	Average age (yr) ± SEM	Age range (yr)

Young controls (8–35)	NCI	9	4/5	15 ± 2.5	8–27

Adult controls (>35)	NCI	28	13/15	55 ± 1.7	43–77

Young DS (8–35)	NCI	14	8/6	19 ± 2.2	8–31

Adult DS (>35)		33	18/15	51 ± 0.8	43–62
Subgroups:	NCI	16	10/6	51 ± 1.1	43–60
	Early or fully symptomatic dementia	17	8/9	51 ± 1.4	43–62