Fig. 8From: Canine atlantoaxial optimal safe implantation corridors – description and validation of a novel 3D presurgical planning method using OsiriX™Graphical representation of OAB landmarks reproducibility and absolute operator-induced error on ProjA calculations. Two Bland-Altman plots are superimposed including the overall comparison between the gold standard (GS) and single ProjA calculated values (in black) and the widest observed 95 % tolerance limit interval comparing values from 2 different observers in C1 system subsample (in red)Back to article page