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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