. Author manuscript; available in PMC: 2015 May 26.

Published in final edited form as: J Clin Periodontol. 2014 Dec 26;42(1):12–20. doi: 10.1111/jcpe.12337

Table 2.

Leucocyte telomere length^* (LTL) distribution of the analytical sample of 356 Dental Atherosclerosis Risk In Communities participants, overall and stratified by race and sex.

		African American		White

	Overall Mean (SD)	Women Mean (SD)	Men Mean (SD)	Women Mean (SD)	Men Mean (SD)	P ^†

LTL at visit 2	1.08 (0.18)	1.13 (0.18)	1.07 (0.19)	1.07 (0.16)	1.03 (0.17)	0.006
missing, n	6	2	1	1	2
LTL at visit 4	1.06 (0.17)	1.10 (0.15)	1.10 (0.19)	1.03 (0.16)	1.01 (0.16)	0.0001
missing, n	0	0	0	0	0
LTL change (visits 2-4)	−0.02 (0.14)	−0.03 (0.15)	0.03 (0.17)	−0.04 (0.13)	−0.03 (0.11)	0.008
missing, n	6	2	1	1	2
LTL change P^‡	0.02	0.07	0.1	0.005	0.03

Measured using quantitative-polymerase chain reaction relative to a single-copy control gene, 36B4 (acidic ribosomal phosphoprotein P0);

^†

Corresponding to analysis of variance

^‡

corresponding to paired t tests for LTL change between visits 2 and 4