Table 1.

PICOTS format

Patients	Patients who received HA, TSA, or RSA for primary OA or CTA
Index prognostic factors	Patient-related prognostic factors measured before the intervention
Comparator factor	-
Outcome	PROMs assessing functional recovery and pain
Time	Any range of prediction interval
Setting	Hospital care

HA Hemi-arthroplasty, TSA Total shoulder arthroplasty, RSA Reverse shoulder arthroplasty, OA Osteoarthritis, CTA Cuff tear arthropathy, PROMs Patient-reported outcome measures