Table 1.

Performance metrics for individual implants.

Implant	N	PPV	Sensitivity	F1-Score
Arthrex Univers Apex	11	0.92	1.00	0.96
Arthrex Univers II	3	1.00	0.67	0.80
Arthrex Univers Reverse	9	1.00	0.67	0.80
Depuy Delta Xtend Reverse	2	0.50	0.50	0.50
Stryker Reverse	23	1.00	0.87	0.93
Stryker Total	6	0.86	1.00	0.92
Zimmer Bigliani Flatow (Zimmer BF)	61	0.97	0.98	0.98
Zimmer Trabecular Metal Reverse	79	0.93	0.99	0.96
Zimmer Trabecular Metal	12	0.91	0.83	0.87
Zimmer Trabecular Metal Glenoid	6	0.83	0.83	0.83