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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: World Neurosurg. 2017 Jul 25;108:151–156. doi: 10.1016/j.wneu.2017.07.109

Table 4a.

Scoring components for SIR and ds-GPA-CITV models

ds-GPA model ds-GPA-CITV model

0 1 2 0 1 2

KPS < 70 70–80 90–100 < 70 70–80 90–100
Number of metastases > 3 2–3 1 > 3 2–3 1
CITV (cc) ≥ 4 < 4
a

cc = cubic centimeters; CITV = Cumulative Intracranial Tumor Volume; ds-GPA = disease-specific graded prognostic assessment; KPS = Karnofsky Performance Score.