Incidence and clinical relevance of heterotopic ossification after internal fixation of acetabular fractures: retrospective cohort and case control study.

Objective: The aim of the study was to evaluate predictors and clinical relevance of heterotopic ossification (HO) in patients treated for acetabular fractures in a tertiary referral centre.

Patients And Methods: The study is a retrospective cohort study with a nested case-control study. All patients treated with internal fixation of acetabular fractures from January 2004 to October 2013.