Table 4 The multivariate Cox analysis for survival.

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

Variable

p

HR

Low 95% CI

High 95% CI

KPS (70 vs. 80 vs. 90–100)

0.000068

0.96

0.93

0.98

Number of BMs (single vs. multiple)

0.019

1.19

1.03

1.37

Volume of the largest lesion (> 5 ml vs. ≤ 5 ml)

0.0037

1.02

1.01

1.04

ECM (present vs. none)

0.0017

2.11

1.4

3.19

  1. KPS Karnofsky Performance Status, BMs brain metastases, ECM extracranial metastases, HR hazard ratio, CI confidence interval.
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