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Table 3 Comparison of accuracy in acetabular cup placement

From: A novel positioner for accurately sitting the acetabular component: a retrospective comparative study

  Safe zone of cup position Safe zone for inclination Safe zone for anteversion Safe zone for angle
Group A 32 (32) 32 (32) 32 (32) 32 (100%)
Group B 24 (40) 29 (72.5%) 32 (80%) 22 (55%)
P value 0.000 0.004 0.021 0.000
  1. The P values were determined with the chi-square test