Table 2.

Complications tracking chart

Complication	Definition
Acromial or scapular spine stress fracture	Diagnosed clinically with following findings: 1. Sharp pain referred to the acromion/scapular spine worse with deltoid activation; 2. Tenderness with palpation of the acromion/scapular spine.
Dislocation	Radiographically confirmed dislocation of the articulating surfaces.
Infection	“Definite” or “Probable” periprosthetic infection as diagnosed by the ICM criteria [46].
Nerve palsy	Impairment of an ipsilateral upper extremity nerve as detected by loss of sensation or a reduction in motor strength in the distribution of a particular peripheral nerve
Other (related to surgery) Explain	Any other complication related to the study shoulder (eg. prosthetic loosening, mechanical dissociation, periprosthetic fracture)
Other (adverse event, unrelated to surgery) Explain	Unanticipated presentation to a hospital, urgent care, or physician’s office for any reason not categorized above within 90 days post surgery.