Fig. 3

Radiographic documentation of an illustrative case assigned into group 2. a Anteropostorior pelvic radiograph depicting a displaced unilateral intracapsular femoral neck fracture (Pauwels 3, Garden IV) of the left hip following a simple low energy fall. The preexisting radiographic osteoarthritis of both hips was graded 3. b and c Postoperative radiographic documentation of the implanted hemiarthroplasty in two planes