Table 1.

Patients’ demographic and clinical characteristics of the femoral head defects

Patient number	Gender	Side	Preop. diagnosis	Age at surgery	Complications	Follow-up (months)	Preop. HHS	Latest postop. HHS
1	Male	Left	OCD	33	Constant pain lateral hip	36	61	80
2	Female	Right	OCD	18		42	57	84
3	Female	Right	OCD	42		48	50	72
4	Male	Left	AVN	25		54	57	94
5	Male	Right	Post-trauma AVN	18	Collapsed graft	30	53	84
6a	Female	Right	Steroid-induced AVN	18	Failed graft
7	Male	Left	Traumatic femoral head fracture	22		54	61	84
8	Male	Left	OCD	17		24	65	89
Min				17.0		24.0	50.0	72.0
Max				42.0		54.0	65.0	94.0
Average				23.7		41.1	57.7	83.9
Median				20.0		42.0	57.0	84.0

OCD osteochondritis dissecans, AVN avascular necrosis

^aThe Harris hip score (HHS) of patient 6 was not included due to graft failure