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Table 3 Results of linear regression analysis

From: Mammographic density does not correlate with Ki-67 expression or cytomorphology in benign breast cells obtained by random periareolar fine needle aspiration from women at high risk for breast cancer

Dependent variable

Independent variable

P

Ki-67

Cell number on slide

0.001

 

Age at RPFNA (inverse)

0.001a

Breast density (%)

BMI

<0.001

 

No live birth

<0.001

 

Premenopausal

0.004

 

5-year Gail risk

0.02

  1. aIf age is omitted, then Gail risk (strong age component) enters as an independent variable (P = 0.012), followed by atypia (P = 0.012) and premenopausal status (P = 0.036). BMI, body mass index; RPFNA, random periareolar fine needle aspiration.