Study
Year
Method
Number of patients/ Number of lesions treated
Mean KPS
Median Age
Patients with single metastasis (%)
Patients receiving concurrent/ previous WBRT (%)
Mean tumor volume (cm^3)
Median survival time (mos)
Mean marginal dose (Gy)
Local control (%)
Kilburn
2014
GK
44/52
80 (median)
57
25
57
0.134(median)
6
18(median)
82
Peterson
2014
GK
41/NR
NR
59 (median)
73
46
0.66
4.4
17
91
Jung
2013
GK
32/NR
NR
50
34
53
0.71
5.2
13(median)
87.5
Sengoz
2013
GK
44/46
80 (median)
57
34
66
0.6
8
16 (median)
96
Kawabe
2012
GK
200/222
90 (median)
64 (mean)
93
7
1.3
6
18
82
Leeman
2012
LINAC
36/38
80 (median)
62
24
44
0.94 (median)
3
17
93
Li
2012
GK
28/32
80 (median)
61
18
0
0.783 (median)
9
16 (median)
90.6
Lin
2012
LINAC
45/48
80 (median)
60 (mean)
96
47
0.4 (median)
11.6
14 (median)
92
Yoo
2011
GK
32/NR
NR
56 (mean)
19
NR
1.5
7.7
15.9
87
Valery
2011
LINAC
30/43
80
57 (mean)
67
27
2.8 (median)
10
13.4
90
Hatiboglu
2011
LINAC
60/NR
90 (median)
61
NR
25
1.0 (median)
4.2
15.0 (median)
76
Kelly
2011
LINAC
24/NR
80 (median)
57
13
96
0.2 (median)
5.3
13
79
Koyfman
2010
GK
43/43
80 (median)
59
100
79
0.37 (median)
5.8
15.0 (median)
85
Samblas
2009
LINAC
28/30
NR
53 (mean)
46
96
1.86
16.8
11
NR
Lorenzoni
2009
GK
25/27
79
53
24
52
0.6
11.1
20
95
Kased
2008
GK
42/44
90 (median)
55
12
57
0.26 (median)
9
16.0 (median)
85
Hussain
2007
GK
22/25
92
60
86
14
0.90 (median)
8.5
16.0 (median)
100
Fuentes
2006
GK
28/NR
80
58 (mean)
71
21
2.1
12
19.6
92
Yen
2006
GK
53/NR
80
57 (mean)
36
40
2.8
11
17.6
NR
Shuto
2003
GK
25/31
NR
54
32
28
2.1
4.9
13
77
Huang
1999
GK
26/27
80
61
42
92
2
9
16.0 (median)
95
Abbreviations: NR - not reported, GK – Gamma Knife, LINAC – linear accelerator
Table 1:
Patient characteristics, dose, and local control [1,2,4-6,8-22].