“…All surgeries utilized the same implants: Trident HA cup (Stryker, Mahwah, NJ, USA) and Accolade II femoral hip stem (Stryker, Mahwah, NJ, USA). Dysplastic hips were defined as hips with lateral center edge angle (LCEA) <25° on a plain anteroposterior radiograph of the hip joint [ 11 , 12 ].…”