Table 7.

Correlation (Spearman rho) between body habitus measures and maximum reduction in chest-wall tissue available for imaging with prone and upright breast CT

	$\underset{i}{\mathit{\text{MIN}}}(D_i^P)$	$\underset{i}{\mathit{\text{MIN}}}(D_i^U)$
Circumference of breast at chest-wall	−0.351*	−0.136
Chin to nipple vertical distance	−0.005	0.008
Nipple to umbilicus vertical distance	0.055	−0.250
Chest to nipple distance	−0.159	−0.126
Circumference of chest superior to breast	−0.219	−0.253
Circumference of chest inferior to breast	−0.277*	−0.217

^*indicates statistically significant correlation at the 0.05 level (2-tailed test)