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Table 3 Multivariable analysis (Cox proportional hazard model) of OS for HR-negative MBC

From: Landscape of HER2-low metastatic breast cancer (MBC): results from the Austrian AGMT_MBC-Registry

N = 227 (events 199)

HR

95% CI

P

Age (continuous) according to menopausal status

   

Premenopausal

1.04

1.01–1.06

0.004

Postmenopausal

1.02

1.01–1.04

0.002

DFS

   

 ≥ 24 months or de novo versus < 24 months

0.59

0.44–0.80

0.001

Visceral versus no visceral disease*

1.59

1.15–2.20

0.005

Number of metastatic sites*

   

2–3 versus 1

1.23

0.89–1.68

0.210

 ≥ 4 versus 1

2.01

1.17–3.48

0.012

HER2-low versus HER2-0

0.92

0.68–1.25

0.585

  1. Statistically significant p-values are highlighted in bold
  2. *At diagnosis of metastatic disease