TABLE II.

Prior Ipsilateral Procedures in the PAO Cohort^*

Total no. of patients with prior ipsilateral hip surgery†	59
Procedure‡
Pelvic osteotomy	22 (37%)
Hip arthroscopy	18 (31%)
Other	17 (29%)
Proximal femoral osteotomy	13 (22%)
Open reduction	13 (22%)
Closed reduction	6 (10%)
Acetabuloplasty	3 (5%)
Shelf procedure	2 (3%)
Limited open osteochondroplasty	2 (3%)
Capsulorrhaphy	2 (3%)
Surgical dislocation	1 (1.7%)
Acetabular osteochondroplasty	1 (1.7%)
PAO	1 (1.7%)
Open reduction/capsulorrhaphy	1 (1.7%)
Labral repair/refixation	1 (1.7%)

^*Study cohort of 391 patients (391 hips).

^†Includes patients with prior bilateral surgery.

^‡The values are given as the number of patients, with the percentage of patients who underwent the prior ipsilateral hip surgery in parentheses.