Comparison of radiographic changes in rectangular curved short stem with thin versus thick porous coating for cementless total hip arthroplasty: a retrospective study with a propensity score matching

摘要

Appearance of both the groups is depicted. a Appearance of the thicker group. It has thicker (0.4 mm), symmetrical porous coating and stem tip is not reduced. Arrows indicate the area of the porous coating. b Appearance of the thinner group. It has thinner (0.2 mm), asymmetrical porous coating and stem tip is reduced. Arrows indicate the area of the porous coating