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Table 6 Breast cancer risk score (BCRS): simple and multivariate regression results

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

Predictor

Regression coefficient

CI (95%)

P value

Simple regression analysis

 

 Age

0.004

−0.002

0.011

0.2001

 BMI

−0.0004

−0.0035

0.0026

0.7677

 PC1

−0.002

−0.012

0.009

0.7526

 PC2

−0.006

−0.012

0.001

0.4779

 PC3

0.004

−0.009

0.017

0.5611

 PC4

−0.015

−0.028

−0.001

0.0328

 PC5

0.010

−0.002

0.023

0.0907

 PC6

0.002

−0.009

0.014

0.7141

 PC7

−0.001

−0.013

0.012

0.8963

 PC8

−0.015

−0.026

−0.004

0.0082

Multiple regression analysis (best model by AIC)

 PC4

−0.011

−0.025

0.002

0.0969

 PC5

0.009

−0.003

0.020

0.1480

 PC8

−0.015

−0.026

−0.004

0.0076

  1. BMI body mass index, PC principal component, AIC Akaike’s information criteria