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Table 1 The relationship between two surgical approaches and some ralated factors

From: Comparison between modified lateral supraorbital approach and pterional approach in the surgical treatment of middle cerebral artery aneurysms

Varibles Modified LSO group (No. of patients) Pterional group (No. of patients) P value
Sex    0.065
 Female 21 91  
 Male 6 63  
Age, ys    0.878
 Range 39–73 28–81  
 Mean ± SD 56.1 ± 10.1 56.4 ± 11.0  
Neck stiffness    0.196
 Yes 18 82  
 No 9 72  
Hunt-Hess, n (%)    0.004
 Good grade (0–2) 26 108  
 Poor grade (3–5) 1 46  
GCS    0.003
  ≤ 12 1 48  
 >12 26 106  
Surgeon physician    0.001
 A 26 21  
 B 1 133  
Operation time (mean minutes)    0.001
 Mean ± SD 146 ± 36.7 240 ± 80.8  
Skin incision (Average length cm)    0.001
 Mean ± SD 9.81 ± 2.6 15.68 ± 3.7  
Complication    0.026
 Yes 2 42  
 No 25 112  
Tracheotomy    0.014
 Yes 0 29  
 No 27 125  
Prognosis    0.002
 Good 25 97  
 Bad 2 57