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Table 2 Cortical bone perforation with different insertion canal in males and females

From: An exploratory study of pelvis anatomy to revise the bony canal used for LC2 screw insertion

Position relative to midplane Above (%) Along (%) Below (%) Pearson χ2 P
Perforation or not In Out In Out In Out
Male 58 (75.3) 19 (24.7) 63 (81.8) 14 (18.2) 69 (89.6) 8 (10.4) 5.397 0.067
Female 13 (54.2) 11 (45.8) 16 (66.7) 8 (33.3) 22 (91.7) 2 (8.3) 8.471 0.014*
Pearson χ2   3.923   2.465   0.087   
   0.048*   0.115   0.768   
  1. *means that there was significant differences