Table 5.

Mean (μ) and standard deviation (σ) of density measures significantly associated with SNPs by risk allele count

SNP	Gene	Racial sub-group	Density metric	Density score (μ ± σ) by number of risk alleles
				0	1	2
rs3817198	LSP1	Caucasian	Absolute Area Density (cm2)	32.0 ± 17.5	28.6 ± 16.6	26.3 ± 11.2
rs3817198	LSP1	Caucasian	Absolute Volume Density (cm3)	145.6 ± 80.5	136.7 ± 84.0	106.7 ± 50.9
rs3803662	TNRC9/TOX3	African-American	Absolute Volume Density (cm3)	187.9 ± 131.6	212.5 ± 129.2	239.0 ± 155.7
rs4973768	NEK10	African-American	Volume Percent Density (%)	23.3 ± 8.9	23.0 ± 10.4	19.9 ± 8.0