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

Table 4 Characteristics and variables of patients with heterotopic ossification

Age	Sex	Mechanism	Interval to treatment (days)	Surgical approach	TBI	Spinal trauma	AO-OTA classification	HOOS	Brooker class
42	f	MVA	10	Posterior	No	Spinal injury	A3	84.6	4
27	m	MVA	6	Posterior	No	Spinal injury	A2	95	1
16	f	MBA	9	Anterior	No	Nil	B2	87.5	1
45	m	MVA	4	Posterior	No	Nil	A2	x	2
62	m	MVA	4	Posterior	Yes	Spinal injury	A2	x	1
22	f	MVA	6	Posterior	No	Nil	A1	x	1
27	m	MBA	5	Posterior	No	Nil	A1	85.9	2
74	f	MVA	19	Posterior	No	Nil	A2	96.9^a	1
47	f	MVA	7	Combined	No	Nil	B2	73.8	3
42	F	MVA	10	Combined	No	Nil	B2	85.9	3
35	m	MBA	10	Combined	Yes	Spinal injury	B2	x	2
67	m	MVA	12	Posterior	No	Nil	A2	80.6	4
52	m	MVA	13	Posterior	No	Nil	B2	88.6	3
35	m	MVA	16	Posterior	No	Nil	B1	x	2
21	m	MVA	5	Posterior	Yes	Nil	A2	61.3	4
24	m	MBA	11	Posterior	Yes	Spinal injury	A1	100	4

MBA motor bike accident, MVA motor vehicle accident, TBI traumatic brain injury.
^aPatient had a total hip replacement 1 year after the accident; x = Hip and Osteoarthritis Outcome Score (HOOS) could not be obtained.

ISSN: 1749-799X