Table 3.

Details of reoperation (eight studies)

Ref.	Indication of reoperation	Intervention
Henle et al[11], 2007	2 AVN	THA
	2 HO	Excision
Solberg et al[12], 2009	1 AVN	THA
Mostafa et al[13], 2014	1 AVN	THA
	1 TFO Nonunion	Revision of fixation
Massè et al[14], 2015	1 AVN	THA
	1 OA	THA
Gavaskar et al[15], 2015	1 Infection	Debridement
	1 Bursitis	Screw removal
Wang et al[16], 2019	1 AVN	THA
	1 HO	Excision
	1 TFO Nonunion	Revision of fixation
Engel et al[17], 2020	2 OA/ AVN	THA
	1 OA/HO	THA
	1 OA/Metal failure/Infection	Revision/Girdlestone/THA
Khalifa et al[19], 2020	2 AVN	THA
	1 OA	THA

AVN: Avascular necrosis; HO: Heterotopic ossification; THA: Total hip arthroplasty; OA: Osteoarthritis; TFO: Trochanteric flip osteotomy.