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Table 3 Results from Multivariate Cox Proportional Hazard Models for DFS and OS

From: Analysis of clinical features, genomic landscapes and survival outcomes in HER2-low breast cancer

Parameter

HR (95% CI)

P value

DFS

   

 Ki67%

 

2.08 (1.53–2.82)

 < 0.001

 T stage

≤ T1 vs > T1

1.15 (0.90–1.47)

0.269

 N stage

N− vs N+

1.38 (1.07–1.77)

0.012

 HR statusa

HR− vs HR+

0.51 (0.39–0.67)

 < 0.001

 HER2 statusa

HER2-low vs HER2-zero

1.15 (0.86–1.54)

0.344

HER2-low vs HER2+

1.00 (0.72–1.39)

0.997

OS

   

 Age

 

1.02 (1.01–1.03)

0.003

 Ki67%

 

1.01 (1.002–1.014)

0.007

 HR statusa

HR− vs HR+

0.46 (0.35–0.62)

 < 0.001

 HER2 statusa

HER2-low vs HER2-zero

1.40 (1.06–1.86)

0.017

 

HER2-low vs HER2+

0.36 (0.26–0.51)

 < 0.001

Initial metastasis sites

With visceral organ vs without

1.59 (1.13–2.23)

0.007

With lung vs without

0.94 (0.69–1.28)

0.678

  1. Bold value indicates the siginificant P values
  2. DFS: disease free survival; OS: overall survival; HR status: hormone receptor status; HER2+: HER2-positive; HR: Hazard Ratio
  3. aHR and HER2 status according to results on primary BC