Table 5.
Correlation (Spearman rho) between body habitus measures and location-dependent posterior breast tissue available for imaging with prone and upright breast CT
| Anterior axillary line at the axilla |
Medial and inferior attachment |
Medial attachment |
Lateral attachment |
Superior attachment |
Inferior attachment |
|
|---|---|---|---|---|---|---|
| Prone positioning of study participants | ||||||
| Circumference of breast at chest-wall |
−0.222 | −0.176 | −0.271 | −0.280* | −0.298* | −0.224 |
| Chin to nipple vertical distance |
−0.052 | −0.090 | −0.110 | −0.071 | −0.083 | 0.057 |
| Nipple to umbilicus vertical distance |
0.157 | 0.120 | −0.058 | −0.070 | 0.098 | −0.026 |
| Chest to nipple distance |
−0.137 | 0.029 | 0.037 | −0.063 | −0.247 | 0.041 |
| Circumference of chest superior to breast |
−0.099 | 0.099 | 0.140 | −0.039 | −0.264 | 0.146 |
| Circumference of chest inferior to breast |
−0.123 | 0.053 | 0.050 | −0.173 | −0.366* | 0.091 |
| Upright positioning of study participants | ||||||
| Circumference of breast at chest-wall |
−0.242 | −0.032 | −0.102 | −0.153 | −0.263 | 0.144 |
| Chin to nipple vertical distance |
−0.027 | −0.306* | −0.294* | −0.010 | 0.008 | −0.025 |
| Nipple to umbilicus vertical distance |
0.036 | 0.293* | 0.043 | −0.232 | 0.091 | 0.095 |
| Chest to nipple distance |
−0.209 | −0.199 | −0.156 | −0.124 | −0.207 | 0.037 |
| Circumference of chest superior to breast |
−0.239 | 0.090 | −0.188 | −0.213 | −0.259 | 0.182 |
| Circumference of chest inferior to breast |
−0.100 | 0.089 | −0.263 | −0.214 | −0.250 | 0.208 |
*
indicates statistically significant correlation at the 0.05 level (2-tailed test)