Table 2 Anatomical description of the various landmarks used, with the intra- and inter-observer variability for each. The error is given as a percentage
Landmark | Location | Intra-observer Variability | Inter-observer Variability |
|---|---|---|---|
1 | Medial epicondyle | 1.77 | 1.82 |
2 | Most dorsal point on medial condyle | 1.45 | 1.46 |
3 | Top of intercondylar notch | 1.52 | 1.60 |
4 | Most dorsal point on lateral condyle | 1.77 | 1.89 |
5 | Lateral epicondyle | 1.68 | 1.64 |
6 | Most outside point on trochlear groove | 1.59 | 1.62 |
7 | Most distal point at bottom of trochlear groove | 1.66 | 1.69 |
8 | Most ventral point on margin of trochlear groove | 1.62 | 1.72 |
9 | Most distal point on medial condyle | 1.73 | 1.69 |
10 | Most distal point on lateral condyle | 1.62 | 1.52 |