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Table 3 Multivariate analyses of predictive factors for brain metastases following prophylactic cranial irradiation in patients with locally advanced non-small cell lung cancer in recursive partitioning analysis group 1.

From: Prophylactic cranial irradiation in locally advanced non-small cell lung cancer: outcome of recursive partitioning analysis group 1 patients

Variable Estimate (mo) SE 95% CI p-value
Gender (female) 15.7 0.56 14.6–16.8 0.28
Age (< 60) 15.0 0.62 13.8–16.2 0.15
Histology (epidermoid) 16.6 0.58 15.4–17.7 0.16
T-stage (3–4) 16.9 0.63 15.6–18.4 0.92
N-stage (2–3) 16.2 0.65 15.0–17.5 0.07
  1. Abbreviations: T: Tumor; N: Node