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