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Table 2 Patient characteristics and survival analysis for the five prognostic indices

From: Retrospective study of hypofractionated stereotactic radiotherapy combined with whole brain radiotherapy for patients with brain metastases

PI

Grade

No. of patients (%)

MST (months)

p

RPA

   

 < 0.001

 

Class I

7 (14.0)

23.8

 
 

Class II

34 (68.0)

16.5

 
 

Class III

9 (18.0)

2.8

 

GPA

   

0.177

 

0–1.0

13 (26.0)

16.7

 
 

1.5–2.5

30 (60.0)

12.4

 
 

3.0–4.0

7 (14.0)

24.3

 

SIR

   

 < 0.001

 

1–3

11 (22.0)

3.0

 
 

4–7

36 (72.0)

16.5

 
 

8–10

3 (6.0)

27.8

 

BS-BM

   

0.010

 

0

9 (18.0)

3.5

 
 

1

20 (40.0)

12.4

 
 

2

10 (20.0)

15.4

 
 

3

11 (22.0)

24.3

 

GGS

   

 < 0.001

 

0

12 (24.0)

23.2

 
 

1

25 (50.0)

16.5

 
 

2

10 (20.0)

12.4

 
 

3

3 (6.0)

2.8

 
  1. MST, median survival time; RPA, Recursive Partitioning Analysis; GPA, Graded Prognostic Assessment; SIR, Score Index for Radiosurgery; BS-BM, Basic Score for Brain Metastases; GGS, golden grading system
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Radiation Oncology

ISSN: 1748-717X

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