. Author manuscript; available in PMC: 2009 Jul 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2008 Jul;17(7):1709–1713. doi: 10.1158/1055-9965.EPI-08-0006

Table 1.

Summary of DXA measures for left and right breast. Root mean square standard deviation is abbreviated RMS SD, and root mean square percentage coefficient variation is RMS %CV.

Breast Measure	Mean (Min, Max)	Difference	r_p-value⁺	RMS %CV (RMS SD)
Total volume, left (cc)	272.3 (121.0, 817.9)	38^*	0.91^*	12.2 (30.7)
Total volume, right (cm³)	234.0 (104.2, 522.3)	38^*	0.91^*
Total Area, left (cm²)	34.8 (16.5, 83.4)	4.2^*	0.86^*	8 (3.7)
Total Area, right (cm²)	30.6 (13.8, 54.7)	4.2^*	0.86^*
FGV, left (cm³)	177.8 (85.7, 287.1)	19^*	0.85^*	12.2 (15.8)
FGV, right (cm³)	158.8 (75.1, 292.9)	19^*	0.85^*
%FGV, left	70.5 (32.5, 91.4)	−1.3	0.97	N/A^x (2.4)
%FGV, right	71.7 (31.2, 92.2)	−1.3	0.97

P<0.05

⁺

Pearson's correlation coefficient

Note that taking the percent of a percent value is not standard practice.