Research Article

Atypical Femoral Shaft Fractures in Female Bisphosphonate Users Were Associated with an Increased Anterolateral Femoral Bow and a Thicker Lateral Cortex: A Case-Control Study

Figure 2

The outer diameter (A) and lateral (B) and medial (C) cortical thickness were measured at the thickest portion of lateral femoral cortex of the femur. Lateral CTI = B/A, medial CTI = C/A, and total CTI = (B + C)/A.