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Table 2 Characteristics included in the prognostic instrument: Freedom from new brain metastases at 6 months following radiosurgery and the corresponding scoring points

From: A new prognostic instrument to predict the probability of developing new cerebral metastases after radiosurgery alone

 

Rates of freedom from new brain metastases (%)

Scoring points

Primary tumor type

  

  Breast cancer (N = 21)

80

8

  Non-small cell lung cancer (N = 72)

67

7

  Malignant melanoma (N = 79)

54

5

  Other tumors(N = 42)

57

6

Number of cerebral metastases

  

  1 lesion (N = 132)

70

7

  2 or 3 lesions (N = 82)

48

5

Extra-cerebral metastases

  

  No (N = 88)

69

7

  Yes (N = 126)

56

6