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Table 7 Breast cancer risk score (BCRS): simple and multivariate regression results in the late (TS3 − TS5) subgroup

From: Non-invasive optical spectroscopic monitoring of breast development during puberty

Predictor Regression coefficient CI (95%) P value
Simple regression analysis
 Age 0.007 −0.001 0.016 0.0849
 BMI 0.001 −0.003 0.004 0.7802
 PC1 −0.004 −0.016 0.009 0.5450
 PC2 −0.006 −0.030 0.019 0.6447
 PC3 −0.0003 −0.0183 0.0177 0.9708
 PC4 −0.020 −0.035 −0.006 0.0074
 PC5 0.010 −0.005 0.025 0.1697
 PC6 −0.005 −0.021 0.010 0.5014
 PC7 0.007 −0.010 0.024 0.4013
 PC8 −0.021 −0.037 −0.005 0.0114
Multiple regression analysis (best model by AIC)
 Age 0.007 −0.001 0.015 0.0802
 PC4 −0.017 −0.032 −0.003 0.0211
 PC8 −0.014 −0.030 0.002 0.0889
  1. TS Tanner stage, BMI body mass index, BCRS breast cancer risk score, PC principal component, AIC Akaike’s information criteria