Reconsidering “Critical” Bone Loss in Shoulder Instability: 17-Year Follow-Up Study following Arthroscopic Bankart Repair

Table 5

Redislocation related to glenoid bone loss of 13.5%, 12%, 8%, 7%, and 6% (n = 75).

Glenoid bone loss (%)	Redislocation after the 1st OT			Further dislocations after the 1st OT					Further operations after the 1st OT
	Yes	No	value	0	1	2	3	value	Yes	No	value
All	22 (29.3)	53 (70.7)	N/A	53 (70.7)	11 (14.7)	8 (10.0)	3 (4.0)	N/A	10 (13.3)	65 (86.7)	N/A
≤13.5	7 (33.3)	14 (66.7)	0.78	14 (66.7)	6 (28.6)	1 (4.8)	0	0.11	2 (9.5)	19 (90.5)	0.72
	(31.8)	(26.4)		(26.4)	(54.5)	(12.5)			(20.0)	(23.9)
>13.5	15 (27.8)	39 (72.2)		39 (72.2)	5 (9.3)	7 (11.0)	3 (5.6)		8 (14.8)	46 (85.2)
	(68.2)	(73.6)		(73.6)	(45.5)	(87.5)	(100.0)		(80.0)	(70.8)
≤12	8 (32.0)	17 (68.0)	0.79	17 (68.0)	6 (24.0)	1 (4.0)	1 (4.0)	0.28	3 (12.0)	22 (88.0)	1.00
	(36.4)	(32.1)		(32.1)	(54.5)	(12.5)	(33.3)		(30.0)	(33.8)
>12	14 (28.0)	36 (72.0)		36 (72.0)	5 (10.0)	7 (14.0)	2 (4.0)		7 (14.0)	43 (86.0)
	(63.6)	(67.9)		(67.9)	(45.5)	(87.5)	(66.7)		(70.0)	(66.2)
≤8	11 (28.9)	27 (71.1)	1.00	27 (71.1)	7 (18.4)	3 (7.9)	1 (2.6)	0.65	4 (10.5)	34 (89.5)	0.52
	(50.0)	(50.9)		(50.9)	(63.6)	(37.5)	(33.3)		(40.0)	(52.3)
>8	11 (29.7)	26 (70.3)		26 (70.3)	4 (10.8)	5 (13.5)	2 (5.4)		6 (16.2)	31 (83.8)
	(50.0)	(49.1)		(49.1)	(36.4)	(62.5)	(66.7)		(60.0)	(47.7)
≤7	13 (30.2)	30 (69.8)	1.00	30 (69.8)	8 (18.6)	4 (9.3)	1 (2.3)	0.58	4 (9.3)	39 (90.7)	0.31
	(59.1)	(56.6)		(56.6)	(72.7)	(50.0)	(33.3)		(40.0)	(60.00)
>7	9 (28.1)	23 (71.9)		23 (71.9)	3 (9.4)	4 (12.5)	2 (6.3)		6 (18.8)	26 (81.3)
	(40.9)	(43.4)		(43.4)	(27.3)	(50.0)	(66.7)		(60.0)	(40.0)
≤6	15 (33.3)	30 (66.7)	0.44	30 (66.7)	8 (17.8)	6 (13.3)	1 (2.2)	0.45	5 (11.1)	40 (88.9)	0.51
	(68.2)	(56.6)		(56.6)	(72.7)	(75.0)	(33.3)		(50.0)	(61.5)
>6	7 (23.3)	23 (76.7)		23 (76.7)	3 (10.0)	2 (6.7)	2 (6.7)		5 (16.7)	25 (83.3)
	(31.8)	(43.4)		(43.4)	(27.3)	(25.0)	(66.7)		(50.0)	(38.5)