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Table 2 Univariable analysis of potential preditive factors

From: Prognostic indices in stereotactic radiotherapy of brain metastases of non-small cell lung cancer

Log-Rank test

Variable

p

Age (< vs. ≥ median)

0.65

Sex

0.42

KPS (< vs. ≥ median)

0.09 (**)

UICC stage

0.020 (*)

Histology (adeno vs. other)

0.016*

Prior surgery

0.001 (*)

Single vs. multiple lesions

0.41

Number of lesions

0.59

Synchronous BM

0.065 (**)

ECM

0.076 (**)

Total BM volume (PTV) per patient,(< vs. ≥ 5ccm)

0.026 (*)

SRS vs. FSRT

0.84

Highest BED10 per patient (< vs. ≥ median)

0.52

Interval PT diagnosis to RT (< vs. ≥ median)

0.17

  1. * p-value ≤ 0.05; ** p-value ≤ 0.1