Fig. 4From: 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 matchingExample of “proximal and distal” pattern. It was the most common pattern for radiolucent lines in the thicker group. Gruen zones 1, 3, 4, 8, 10, 11, and 12 showed radiolucent lines with widths of 1–2 mmBack to article page