Table 4.
Factor (sort, n) | p value, HR, 95% CI | ||
---|---|---|---|
LC | OS | FDBF | |
Tumor number (1 vs. ≥2, 22 vs. 32) | 0.9, 1.1, 0.09–13 | 0.4, 0.7, 0.3–1.7 | 0.7, 1.2, 0.5–3.0 |
Cumulative GTV (<2 vs. ≥2 cc, 100 vs. 28) | 0.9, 0.0, 0.0–1.5 | 0.6, 1.2, 0.5–2.9 | 0.4, 0.7, 0.3–1.7 |
Extracranial disease (controlled vs. uncontrolled, 11 vs. 43) | 0.6, 0.5, 0.04–6.1 | 0.002, 0.2, 0.09–0.6 | 0.5, 0.7, 0.3–1.8 |
Abbreviations: GTV, gross tumor volume; LC, local control; OS, overall survival; FDBF, freedom from distant brain failure; HR, hazard ratio; and CI, confidence interval.