Higher pelvic incidence values are a risk factor for trans-iliac trans-sacral screw malposition in sacroiliac complex fracture treatment Journal of Orthopaedics and Traumatology, 24:51 An Jhih Luo, Angela Wang, Chih Yang Lai, Yi Hsun Yu, Yung Heng Hsu, Ying Chao Chou, I. Jung Chen*