Table 2 Prognostic stratification criteria.

From: Development of a prognostic risk stratification model for HER2-positive breast cancer brain metastasis and its implications in guiding treatment decisions

Prognostic factor

Score

0

1

2

Age

≤ 60

> 60

 

KPS

≥ 60

< 60

 

Multi Brain Metastasis

NO

YES

 

Radiotherapy

YES

NO

 

Extracranial Metastasis

≤ 3

 

> 3

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