Table 2.

Disease history and patients’ characteristics.

Patient number	Age (y.o)	Gender	Side	Bilateral osteonecrosis	Disease duration (months)	Cause	FICAT stage
1	58	male	Left	Unknown	36	Alcohol abuse	4
2	45	male	Left	Yes	6	Alcohol abuse	3
3	46	male	Right	Yes	24	Alcohol abuse	3
4	64	male	Right	Yes	12	Glucocorticoids use	4
5	57	male	Right	Yes	unknown	Alcohol abuse	3
6	44	male	Left	Yes	unknown	Alcohol abuse	4
7	40	male	Right	Yes	36	Alcohol abuse	4
8	62	male	Left	Yes	unknown	Alcohol abuse	4
9	44	male	Right	Unknown	unknown	Alcohol abuse	4
10	60	male	Right	Yes	unknown	Alcohol abuse	4
11	37	male	Right	Yes	18	Alcohol abuse	3