Table 3

Multivariate analysis of prognostic factors related to axillary lymph node invasion



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

Schneider et al. Breast Cancer Res 2001 3:183   doi:10.1186/bcr293

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