Table 3: Analysis of Oxford Shoulder Score using the paired sample T Test.

When Compared to Preoperative OSS	Paired Differences		Sig. (2 – tailed)
	Mean Differences	Std. Deviation
at 6 months	-4.25000	12.79844	0.204
at 12 months	-8.40000	10.62208	0.008*
at 24 months	-8.36842	11.65814	0.006*
at 36 months	-4.82353	14.24445	0.182
at 60 months	1.35294	14.28260	0.701