DOS 2021

118 · DOS Bulletin Poster Walk 3: Hip arthroplasty 1 145. The feasibility and acceptability of a six-month progressive ex- ercise therapy and patient education intervention for patients with hip dysplasia ineligible for periacetabular osteotomy Julie Sandell Jacobsen, Thorborg Kristian , Dorthe Sørensen, Stig Storgaard Jakobsen, Rasmus Oestergaard Nielsen , Lisa Gregersen Oestergaard, Kjeld Søballe, Inger Mechlenburg 146. Increased anterior pelvic tilt in patients with acetabular retrover- sion compared to the general population: A radiographic and prevalence study Anders Falk Brekke, Anders Holsgaard-Larsen, Trine Torfing, Stig Sonne-Holm, Søren Overgaard 147. A home-based exercise and activity modification program in pa- tients with acetabular retroversion and excessive anterior pelvic tilt - a feasibility and intervention study Anders Falk Brekke, Søren Overgaard, Bo Mussmann, Erik Poulsen, Anders Holsgaard-Larsen 148. Are improvements in pain and hip function after primary or revi- sion hip replacement related to markers of socioeconomic status? Martin Bækgaard Stisen, Andre Nis Klenø, Julie Sandell Jacobsen, Matthew DL O’Connell, Salma Ayis, Catherine Sackley, Alma Becic Pedersen, Inger Mechlenburg 149. Impact of socioeconomic status on the 90- and 365-day rate of revision and mortality after total hip arthroplasty: A cohort study based on 103,901 THA patients from national health registers Nina M. Edwards, Claus Varnum, Søren Overgaard, Alma B. Pedersen 150. Validity of Perioperative Visual Estimation of Acetabular Fragment Correction in Periacetabular Osteotomies Casper Bindzus Foldager, Kjeld Søballe, Jakobsen Stig Storgaard