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Table 1 Details of the GPA for NSCLC [6, 7]

From: The effect of non-small cell lung cancer histology on survival as measured by the graded prognostic assessment in patients with brain metastases treated by hypofractionated stereotactic radiotherapy

 

GPA score

 

0

0.5

1.0

Age

>60

50–60

<50

KPS

<70

70–80

90–100

No. of brain metasases

>3

2–3

1

Extracranial metastases

present

-

absent