Table-V.

Comparison of shoulder joint mobility before and after surgery between two groups (°).

Time	Group	n	Internal rotation	Forward flexion	Backward extension	External rotation
Before surgery	SA group	58	17.88±3.02	30.86±3.36	32.62±7.26	24.69±5.10
	OR/IF group	55	18.45±3.67	31.36±4.25	31.40±8.04	25.47±5.99
	t		0.873	1.265	1.138	1.138
	P		0.384	0.208	0.258	0.258
After surgery	SA group	58	57.17±5.25a	130.00±15.45a	130.10±13.71a	81.40±10.70a
	OR/IF group	55	54.33±7.73a	122.00±11.67a	120.18±11.22a	76.87±10.14a
	t		6.498	7.607	5.071	5.071
	P		<0.001	<0.001	<0.001	<0.001

Note: Compared with the same group before surgery,

^aP<0.05.