Fig. 2From: The natural history of greater trochanteric pain syndrome: an 11-year follow-up studyClinical diagnosis of hip OA based on Altman’s criteria [11] at 11-years of the GTPS group (on the left) and ASC group (on the right). Note, two GTPS participants who were not clinically assessed reported having undergone a total hip arthroplasty. They are not included in this analysisBack to article page