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Table 2 Tumor response according to dose

From: Local control after radiosurgery for brain metastases: predictive factors and implications for clinical decision

Local Control 1 year (%) Median (months) CI p value
Global 69.7 22.3 18.7–25.9 -
Size
≤10 79.1 24.6 - 0.008
>10 58.6 20 9.5–30.5
Primary Site
Breast 64.5 20 11.4–28.6 0.06
Lung 79 NR -
Melanoma 72.3 NR -
Others 54.6 12.2 5.2–9.3
Dose (Gy)
≤15 39.6 10.8 7.7–3.9 <0.0001
16–20 71.7 24.6 18.9–30.2
≥21 92.3 NR -
Previous WBRT
Yes 57.9 13.7 4.8–22.5 0.004
No 78.4 NR -