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Table 1 Means and standard deviations of the indexes observed of each group

From: Tomographic index as auxiliary criteria for surgery indication in fracture dislocation of acetabulum posterior wall

Group Cases number Acetabular index Standard deviation Minimum value Maximum value
Normal 45 1.8 0.116 1.7 2.1
−25% 45 2.4 0.156 2.3 2.8
−30% 45 2.6 0.166 2.4 3.0
Surgical fracture 14 3.2 0.440 2.9 3.9
Conservative fracture 8 2.1 0.130 1.9 2.2