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Table 5 Analysis of the clipping factors of intracranial aneurysms

From: The classification of intracranial aneurysm neck: a single center research experience

influence factor cases normal adverse event χ2 P
Age     0.04 > 0.5
 ≤65 166 158 8   
  > 65 80 73 7   
Gender     0.1 > 0.1
 male 113 106 7   
 female 133 125 8   
Time,d     0.03 > 0.9
  < 3 118 111 7   
  > 3 128 120 8   
Hunt-Hess     0.004 > 0.95
  < IV 154 144 10   
 IV to V 92 87 5   
Size,mm     0.008 > 0.99
  < 5 130 123 7   
 5 to 10 86 80 6   
 10 to 25 30 28 2   
aneurysms     0.01 > 0.92
 Multiple 5 5 0   
 Single 241 226 15   
Orientation     0.01 > 0.99
 left 133 125 8   
 right 113 106 7   
Classification     6.06 < 0.01
 Untyped 138 125 13   
 Typed 108 106 2   
Position     3.34 > 0.75
 ICA 26 25 1   
 ACA 17 16 1   
 ACoA 69 65 4   
 MAC 63 59 4   
 PCoA 61 58 3   
 PC 10 10 0