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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