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Table 4 Cox regression DDFS analysis

From: Validation of the AJCC prognostic stage for HER2-positive breast cancer in the ShortHER trial

 

Anatomic stage

Prognostic stage

HR (95%CI)

P

HR (95%CI)

P

IA

Ref

 

Ref

 

IB

0.93 (0.22–3.92)

0.917

2.02 (1.12–3.64)

0.020

IIA

1.60 (0.95–2.71)

0.079

2.36 (1.45–3.85)

0.001

IIB

3.02 (1.68–5.42)

< 0.001

2.78 (1.31–5.93)

0.008

IIIA

4.14 (2.35–7.29)

< 0.001

4.50 (2.46–8.24)

< 0.001

IIIB

8.8 (5.33–14.54)

< 0.001

IIIC

8.58 (4.90–15.02)

< 0.001

  1. Abbreviations: HR hazard ratio, CI confidence interval, P P value