Hip joint motion does not change one year after arthroscopic osteochondroplasty in patients with femoroacetabular impingement evaluated with dynamic radiostereometry

Journal of Experimental Orthopaedics

Table 1 Patient demographics

Patient number	Age	Gender	BMI	Removed bone pelvis (mm³)	Removed bone femur (mm³)	Flexion (°)	Adduction (°)	Internal rotation (°)	Caput ICRS	Acetabulum Becks
1	46	Female	23.6	216	984	1.39	7.98	−7.91	1	3
3	39	Female	22.6	313	478	−2.83	−9.74	−1.39	1	3
4	21	Male	24.8	166	883	−4.05	−5.04	5.75	1	5
5	53	Male	21.8	220	1563	5.37	2.32	−5.31	1	4
6	39	Male	25.5	0	1576	2.31	−0.41	−3.89	1	4
7	27	Female	19.4	244	1028	–	–	–	1	3
8	51	Female	20.3	102	690	−3.70	3.19	−0.97	4	4
9	41	Male	22.3	341	406	0.42	−2.06	3.97	2	2
10	26	Female	19.8			1.72	−0.61	3.75	1	2
11	58	Female	24.6	411	428	−1.99	7.05	0.04	2	3
12	26	Male	23.5	199	319	1.36	1.48	−9.21	1	4

Flexion: change in flexion from preoperative to 1 year postoperative
Adduction: change in adduction from preoperative to 1 year postoperative
Internal rotation: change in internal rotation from preoperative to 1 year postoperative
Caput ICRS: The International Cartilage Repair Society Grade of the femoral head [11]
Acetabulum Becks: Beck Classification of Cartilage damage of the acetabulum [28]
BMI Body mass index
- : Patient 7 was lost to one year follow-up due to pregnancy