TY - JOUR T1 - Relationship Between Hip Dysplasia, Pain, and Osteoarthritis in a Cohort of Patients with Hip Symptoms JF - The Journal of Rheumatology JO - J Rheumatol SP - 1583 LP - 1589 DO - 10.3899/jrheum.121544 VL - 40 IS - 9 AU - Johanne Morvan AU - Ronan Bouttier AU - Bernard Mazieres AU - Evelyne Verrouil AU - Jacques Pouchot AU - Anne-Christine Rat AU - Dewi Guellec AU - Francis Guillemin AU - Joel Coste AU - Alain Saraux AU - The KHOALA Cohort Study Group Y1 - 2013/09/01 UR - http://www.jrheum.org/content/40/9/1583.abstract N2 - Objective. The relationship between acetabular dysplasia (HD) and hip osteoarthritis (OA) remains unclear, especially for mild forms of dysplasia. Our objectives were to estimate the prevalence of HD in a population-based sample with symptoms and to evaluate potential associations linking HD, hip OA, and hip pain. Methods. Individuals 40 to 75 years of age with symptoms in 1 or both hips were recruited during a multiregional prevalence survey. All study participants underwent examination and radiographs. Radiographs were evaluated using Kellgren-Lawrence staging (with stages ≥ 2 indicating hip OA) and HD measures [center-edge (CE) angle, acetabular inclination angle (HTE), acetabular depth (AD), and vertical center-anterior margin angle]. Results. We studied both hips of 842 individuals (1684 hips), among whom 203 had hip OA. Compared to left hips, right hips had significantly smaller CE angles and significantly greater AD and HTE values (p ≤ 0.001). Overall, the prevalence of HD ranged from 7.6% to 22.2% of the hips depending on the measure used. The prevalence of HD was higher in individuals with hip OA, with significant differences for abnormal HTE (19.1% vs 11.4%; p < 0.0001) and abnormal CE (11.3% vs 7.5%; p = 0.04). By logistic regression, only abnormal HTE remained associated with OA. Same-side hip pain was not statistically more common in individuals with HD after stratification on OA status (p = 0.12). Conclusion. Our study confirms the relationship between OA and HD, particularly as defined based on the HTE angle. ER -