Table 5.

Updated GPA based on LNS for NSCLC with brain metastases.

Variable		Novel GPA criteria
	0	0.5	1.0
Age(years)	≥55	<55	NA
KPS1	<70	70-80	>90
Extracrainial metastases	Yes	NA2	No
Number of BM	≥3	<3	NA
LNS3	N(+)	NA	N(-)

¹KPS, Karnofsky performance status; ²NA, not applicable; ³LNS, lymph node status.