Table 6. Relationships between preoperative and final postoperative Tönnis OA grades and labral tear grades.

Tear grade	Preoperative Tönnis OA grade				Final postoperative Tönnis OA grade
	Gr 0 (n, %)	Gr 1 (n, %)	Gr 2 (n, %)	Gr 3 (n, %)	Gr 0 (n, %)	Gr 1 (n, %)	Gr 2 (n, %)	Gr 3 (n, %)
1	6 (85.7)	1 (14.3)	0	0	5 (71.4)	2 (28.6)	0	0
2	9 (90.0)	1 (10.0)	0	0	4 (40.0)	6 (60.0)	0	0
3	20 (66.6)	10 (33.3)	0	0	8 (26.7)	16 (53.3)	6 (20.0)	0
4	3 (15.8)	13 (68.4)	3 (15.8)	0	0	6 (31.6)	7 (36.8)	6 (31.6)

Abbreviations: OA, osteoarthritis; Gr, grade.