From: Non-invasive optical spectroscopic monitoring of breast development during puberty
Breast Tanner stage | |||||
---|---|---|---|---|---|
Predictor | 1 | 2 | 3 | 4 | |
Mean | Mean | Mean | Mean | P value | |
Age | 11.05 | 11.19 | 12.32 | 13.58 | <0.01 |
BMI | 16.50 | 17.31 | 18.90 | 19.70 | <0.01 |
BCRS | 1.70 | 2.04 | 1.80 | 1.88 | 0.23 |
PC1 | 0.190 | 0.001 | 0.102 | −0.368 | 0.26 |
PC2 | 0.33 | 0.31 | −0.23 | −0.41 | <0.01 |
PC3 | −0.62 | 0.11 | 0.15 | 0.10 | <0.01 |
PC4 | 0..04 | −0.04 | −0.03 | 0.14 | 0.84 |
PC5 | −0.07 | −0.08 | 0.01 | 0.22 | 0.60 |
PC6 | −0.34 | −0.27 | 0.28 | 0.24 | <0.01 |
PC7 | −0.23 | −0.20 | 0.20 | 0.24 | 0.06 |
PC8 | −0.12 | 0.05 | −0.01 | 0.25 | 0.60 |