Scapular bone grafting with allograft pin fixation for repair of bony Bankart lesions: A biomechanical study

Table 1 Displacement data of each group (mm, mean ± SD)

ERA, load	NC	AP	TS
0°, 30 N	2.89 ± 0.13	2.64 ± 0.17	2.65 ± 0.36
0°, 40 N	3.36 ± 0.17	2.95 ± 0.20	3.19 ± 0.27
0°, 50 N	3.96 ± 0.30	3.41 ± 0.35	3.38 ± 0.18
30°, 30 N	2.51 ± 0.28	2.35 ± 0.19	2.37 ± 0.16
30°, 40 N	2.92 ± 0.11	2.54 ± 0.47	2.75 ± 0.221
30°, 50 N	3.22 ± 0.21	2.68 ± 0.23	2.82 ± 0.36
60°, 30 N	2.12 ± 0.13	1.96 ± 0.18	1.88 ± 0.33
60°, 40 N	2.23 ± 0.14	2.19 ± 0.31	2.13 ± 0.25
60°, 50 N	2.67 ± 0.39	2.51 ± 0.30	2.43 ± 0.31
90°, 30 N	1.08 ± 0.18	1.02 ± 0.23	1.03 ± 0.22
90°, 40 N	1.04 ± 0.38	1.08 ± 0.12	1.16 ± 0.29
90°, 50 N	1.12 ± 0.15	1.12 ± 0.15	1.27 ± 0.31

ERA: External rotation angle; NC: Normal control group; AP: Allograft pin repair group; TS: Titanium alloy hollow screw repair group.

Table 2 The q-test results

ERA	AL	Groups	P value
0°	30 N	NC, AP	P > 0.05
0°	30 N	NC, TS	P > 0.05
0°	30 N	AP, TS	P > 0.05
0°	40 N	NC, AP	P > 0.05
0°	40 N	NC, TS	P > 0.05
0°	40 N	AP, TS	P > 0.05
0°	50 N	NC, AP	P > 0.05
0°	50 N	NC, TS	P > 0.05
0°	50 N	AP, TS	P > 0.05
30°	30 N	NC, AP	P > 0.05
30°	30 N	NC, TS	P > 0.05
30°	30 N	AP, TS	P > 0.05
30°	40 N	NC, AP	P > 0.05
30°	40 N	NC, TS	P > 0.05
30°	40 N	AP, TS	P > 0.05
30°	50 N	NC, AP	P > 0.05
30°	50 N	NC, TS	P > 0.05
30°	50 N	AP, TS	P > 0.05
60°	30 N	NC, AP	P > 0.05
60°	30 N	NC, TS	P > 0.05
60°	30 N	AP, TS	P < 0.05
60°	40 N	NC, AP	P > 0.05
60°	40 N	NC, TS	P > 0.05
60°	40 N	AP, TS	P > 0.05
60°	50 N	NC, AP	P > 0.05
60°	50 N	NC, TS	P > 0.05
60°	50 N	AP, TS	P > 0.05
90°	30 N	NC, AP	P > 0.05
90°	30 N	NC, TS	P > 0.05
90°	30 N	AP, TS	P < 0.05
90°	40 N	NC, AP	P > 0.05
90°	40 N	NC, TS	P > 0.05
90°	40 N	AP, TS	P > 0.05
90°	50 N	NC, AP	P > 0.05
90°	50 N	NC, TS	P > 0.05
90°	50 N	AP, TS	P > 0.05

ERA: External rotation angle; AL: Axial load; NC: Normal control group; AP: Allograft pin repair group; TS: Titanium alloy hollow screw repair group.