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Table 1 Baseline characteristics included in the GI-GPA (Sperduto et al. 2019 [1]): minimum point sum 0 (poor prognosis), maximum point sum 4 (good prognosis)

From: Validation of the graded prognostic assessment for gastrointestinal cancers with brain metastases (GI-GPA)

Parameter

GI-GPA

DS-GPA

Metastatic spread to extracranial sides

0

 

Brain metastases only

0.5

 

Age ≥60 years

0

 

Age <60 years

0.5

 

Karnofsky performance status ≤70

0

1 if 70

Karnofsky performance status 80

1

2

Karnofsky performance status 90-100

2

3 if 90, 4 if 100

Number of brain metastases >3

0

 

Number of brain metastases 2-3

0.5

 

Number of brain metastases 1

1

 
  1. KPS Karnofsky performance status
  2. aincludes patients with delayed (salvage) neurosurgery, radiosurgery, fractionated re-irradiation