OA) survivorship at 15 years. Hypertrophic BMD Increased prevalence of hypertrophic hip OA is (Hardcastle et al. 2014) bone remodeling observed in high bone mass individuals OR[95%CIs] = response 2.39[1.72-3.33] Age Incidence of hypertrophic hip OA significantly higher (Ishidou et al. 2017) in younger patients: 33% <60 years of age, versus 14% >80 years. Heterotopic Pre-operative hypertrophic hip OA a significant risk (Higo et al. 2006; Eggli et al. 2001) ossification factor for post-THR heterotopic ossification (OR[95%CIs] = 2.7[1.2-5.9]) (Higo et al. 2006). Ethnicity African Americans more likely to have severe (Nelson et al. 2010) osteophytosis at both femoral and acetabular sites (OR[95%CIs] = 1.8[1.3, 2.7]), versus White Americans.
OA) survivorship at 15 years. Hypertrophic bone remodeling response BMD Increased prevalence of hypertrophic hip OA is observed in high bone mass individuals OR[95%CIs] = 2.39[1.72-3.33] (Hardcastle et al. 2014) Age Incidence of hypertrophic hip OA significantly higher in younger patients: 33% <60 years of age, versus 14% >80 years. (Ishidou et al. 2017) Heterotopic ossification Pre-operative hypertrophic hip OA a significant risk factor for post-THR heterotopic ossification (OR[95%CIs] = 2.7[1.2-5.9]) (Higo et al. 2006). (Higo et al. 2006; Eggli et al. 2001) Ethnicity African Americans more likely to have severe osteophytosis at both femoral and acetabular sites (OR[95%CIs] = 1.8[1.3, 2.7]), versus White Americans. (Nelson et al. 2010)