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Table 5 Results of the point system for the MPR pre- (PreI) and post-implantation (PosI) according to Stübig et al. for each patient [24]

From: Real-time intraoperative 3D image intensifier-based navigation in reversed shoulder arthroplasty- analyses of image quality

Number SIQ Delineation of Cortical Bone Delineation of Cancellous Bone Delineation of Articular Surfaces Artifacts Clinical Assessment Total
PreI PosI PreI PosI PreI PosI PreI PosI PreI PosI PreI PosI
Σ = 10 2.2 (1–3) 3.5 (3–4) 1.2 (1–2) 3.3 (2–4) 2.1 (2–3) 3.7 (3–4) 1.4 (1–2) 5 (5–5) 2.5 (2–3) 4 (4–4) 2.1 (2–3) 3.3 (3–4)
1 2 3 1 2 2 3 1 5 3 4 2 3
2 2 3 1 3 2 4 2 5 2 4 2 3
3 3 4 1 4 2 4 1 5 3 4 2 3
4 3 4 2 4 3 4 2 5 3 4 2 4
5 2 3 1 3 2 3 1 5 2 4 2 3
6 3 3 2 3 2 4 2 5 3 4 3 3
7 2 4 1 4 2 4 2 5 3 4 2 4
8 2 4 1 3 2 4 1 5 2 4 2 3
9 1 3 1 3 2 3 1 5 2 4 2 4
10 2 4 1 4 2 4 1 5 2 4 2 3