Stemless shoulder prosthesis versus conventional anatomic shoulder prosthesis in patients with osteoarthritis: a comparison of the functional outcome after a minimum of two years follow-up.

Clinical assessment There was a main effect of time on all directions of the active range of motion ( P < 0.001), on all categories of the Constant score ( P < 0.001) and on the Dash score ( P < 0.001, F = 207.89), which suggests that the postoperative results obtained following both types of shoulder arthroplasty yielded highly significant improvements over the preoperative values.

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