Table 2.
Breast measures for mothers and daughters
| DXA measures | Mothers | Daughters | ra | p value |
|---|---|---|---|---|
| All mother-daughter pairs | ||||
| N | 101b | 113 | ||
| Total area (cm2) | 92.0 ± 38.9 | 43.2 ± 26.4 | 0.30 | <0.01 |
| Total volume (cm3) | 820.3 ± 494.1 | 346.7 ± 285.3 | 0.28 | <0.01 |
| FGV (cm3) | 272.5 ± 107.6 | 196.4 ± 119.9 | 0.28 | <0.01 |
| %FGV | 38.9 ± 14.1 | 64.7 ± 19.4 | 0.01 | 0.96 |
| Mothers and daughters in Tanner stages 4&5 only | ||||
| N | 54b | 58 | ||
| Total area (cm2) | 101.2 ± 41.4 | 58.7 ± 26.7 | 0.45 | <0.001 |
| Total volume (cm3) | 908.5 ± 529.3 | 493.1 ± .317.0 | 0.38 | <0.01 |
| FGV (cm3) | 297.7 ± 114.8 | 273.0 ± 111.5 | 0.56 | <0.0001 |
| %FGV | 37.9 ± 12.8 | 64.6 ± 20.0 | -0.03 | 0.84 |
aPearson's correlation coefficient; total area, total volume and FGV are log-transformed and %FGV is square root-transformed in both mothers and daughters.
bMothers with two daughters were included twice.