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. 2014 Mar 20;9:78. doi: 10.1186/1748-717X-9-78

Table 1.

Characteristics of the 297 meningioma patients analyzed

 
  
 Overall collective
 Group 1
 Group 2
 
  
 (n = 297)
 U/WHO1
 WHO2/3
 
  
  
 (n = 265)
 (n = 32)
    Mean Min/Max Mean Min/Max Mean Min/Max
Age with beginn of RT
  
 59
 20/87
 59
 20/87
 60.13
 38/76
Mean volume
  
 15.01
 0.26/190.85
 15.77
 0.26/190.85
 6.62
 0.84/27.42
 
  
 n
 %
 n
 %
 n
 %
Gender
 m
 95
 32
 75
 28.3
 20
 62.5
 
 f
 202
 68
 190
 71.7
 12
 37.5
Location
 Skull Base
 254
 85.5
 246
 92.8
 8
 25
 
 Falx/Parasagittal
 20
 6.7
 10
 3.8
 10
 31.3
 
 Convexity
 23
 7.7
 9
 3.4
 14
 43.8
WHO grading
 n/a
 215
 72.4
 215
 81.2
 -
 -
 
 WHO 1
 50
 16.8
 50
 18.9
 -
 -
 
 WHO 2
 20
 6.7
 -
 -
 20
 62.5
 
 WHO 3
 12
 4.0
 -
 -
 12
 37.5
Prior surgery
 Primary RT
 144
 48.5
 143
 54
 1
 3.1
 
 Adjuvant RT
 153
 51.5
 122
 46
 31
 96.9
Peritumoral edema
 yes
 13§
 6.6
 12Ÿ
 6.7
 1
 5.56$
Multiple meningiomas
 yes
 58
 19.5
 52
 19.6
 6
 18.8
Fractionation Scheme
 FSRT
 179
 60.3
 158
 59.6
 21
 65.6
 
 hFSRT
 92
 31.0
 82
 30.9
 10
 31.3
 
 SRS
 26
 8.8
 25
 9.4
 1
 3.1
Mean total dose
  
 47.7
 13.5/95.4
 47.1
 13.5/63
 52.4
 15/95.4
Follow up-time in months   35 1/132 38 1/132 12.5 2/80

§n = 197.

Ÿn = 197.

$n = 18.