Table 3 The χ2 test results for prognostic indices.

From: A new prognostic score for predicting survival in patients treated with robotic stereotactic radiotherapy for brain metastases

Prognostic index

p

RPA

0.0022

SIR

0.00021

BSBM

0.0014

GGS

0.0011

GPA

0.00047

Ds-GPA

0.0047

RADES

0.0034

CPI

0.00033

  1. RPA Recursive Partitioning Analysis, SIR Score Index for Radiosurgery, BSBM Basic Score for Brain Metastases, GGS Golden Grading System, GPA Graded Prognostic Assessment, ds-GPA diagnosis-specific Graded Prognostic Assessment.
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