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Table 3 Multivariate analysis of prognostic factors related to axillary lymph node invasion

From: Expression of LRP and MDR1 in locally advanced breast cancer predicts axillary node invasion at the time of rescue mastectomy after induction chemotherapy

  

Including all tumours

Including only ductal carcinomas

Factor

Variable

Odds ratio

95% CI

P

Odds ratio

95% CI

P

Histology

Ductal

1.00

     
 

Other

50.75

1.31-1968

0.035

   

Tumor mass

Single

1.00

  

1.00

  
 

Other

4.64

0.66-32.60

0.123

4.62

0.66-32.21

0.122

Ki67

<20%

1.00

  

1.00

  
 

≥ 20%

7.68

1.43-41.11

0.017

7.44

1.37-40.49

0.020

MDR1 and LRP

Both negative

1.00

  

1.00

  
 

LRP+ MDR1-

9.16

0.36-232.1

0.179

8.45

0.32-223.6

0.202

 

Both positive

25.54

1.13-576.9

0.042

23.60

1.00-558.6

0.050

 

Unknown

4.78

0.29-79.26

0.275

4.38

0.25-78.42

0.315