Skip to main content

Table 2 Multivariate Logistic Regression (MLR) analysis informed by CART for predicting NSLN metastasis among SLN+ patients (n = 213) (Bay Area SLN Database).

From: New models and online calculator for predicting non-sentinel lymph node status in sentinel lymph node positive breast cancer patients

Variable or Composite Variable

Significance

Wald Statistic

OR (95% CI)

Angiolymphatic Invasion

0.024

a

a

Tumor Size

0.508

a

a

Size of SLN Metastasis

0.173

a

a

Angiolymphatic Invasion × Tumor Size

0.166

a

a

Angiolymphatic Invasion × Size of SLN Metastasis

<0.0001

52.7

4.73 (3.11–7.20)

Angiolymphatic Invasion × (Size of SLN Metastasis)2

0.041

a

a

Tumor Size × Size of SLN Metastasis

0.888

a

a

Tumor Size × (Size of SLN Metastasis)2

<0.0001

22.6

1.18 (1.10–1.26)

Tumor Size × Size of SLN Metastasis × Angiolymphatic Invasion

0.471

a

a

Tumor Size × (Size of SLN Metastasis)2 × Angiolymphatic Invasion

0.761

a

a

  1. OR: odds ratio; 95% CI: 95% confidence interval. a No Wald statistic or odds ratio calculated for variables not significant at P < 0.01 with respect to multivariate model