High throughput DNA sequencing to detect differences in the subgingival plaque microbiome in elderly subjects with and without dementia

Table 1 Demographics and health status of study participants

Sample ID	Cognitive assessment	Age	Sex	Race	PPD	Number of teeth	Gingivitis score	Plaque Index^a	Number of coronal caries	Number of root caries
N1	Normal	77	m	w	2	22	0.18	0	0	1
N2	Normal	77	f	w	2	11	0.82	0	5	4
C1	CIND	>90	m	w	4	20	0.00	1	0	0
C2	CIND	>90	f	w	3	19	ND^b	1	4	3
C3	CIND	74	f	b	3	22	0.73	0	0	0
D1	Dementia	82	m	w	4	07	0.14	0	0	0
D2	Dementia	78	f	w	4	28	1.00	1	0	0
D3	Dementia	89	f	w	4	14	0.71	2	13	3
D4	Dementia	70	m	w	6	19	1.00	3	36	0
D5	Dementia	>90	f	w	2	10	0.00	1	2	0

^aAs described in Methods; ^bNot done. b, black; CIND, cognitively impaired, without dementia; f, female;,m, male; PPD, pocket probing depth (mm); w, white.

ISSN: 2041-2223