Table 7 Intra and interobserver reliability comparison between pre-op and post-op radiological ankle parameters

Tibio-talar angle (TTA)

0.987^a (0.952–0.991)

0.948 (0.885–0.977)

0.946^a (0.903–0.980)

0.925 (0.837–0.966)

0.925^b (0.880–0.975)

0.965^b (0.908–0.981)

Tibial Anterior Surface angle (TAS)

0.921^a (0.845–0.968)

0.967 (0.916–0.983)

0.910^a (0.890–0.978)

0.889 (0.864–0.972)

0.934^b (0.920–0.984)

0.973^b (0.918–0.983)

Lateral distal tibial angle (LDTA)

0.823^a (0.794–0.956)

0.937 (0.905–0.981)

0.921^a (0.891–0.978)

0.878 (0.846–0.968)

0.789^b (0.646–0.920)

0.915^b (0.817–0.962)

Talar-Tilt angle (TT)

0.929^a (0.846–0.968)

0.930 (0.827–0.964)

0.824^a (0.779–0.95)

0.932 (0.852–0.969)

0.954^b (0.900 -0.980)

0.934^b (0.829–0.962)

Anatomical talo-crural angle (aTC)

0.867^a (0.745–0.945)

0.814 (0.774–0.952)

0.917^a (0.808–0.960)

0.942 (0.888–0.977)

0.92^b (0.808–0.960)

0.924^b (0.889–0.977)

Ground surface and distal tibial plafond angle (GP)

0.926^a (0.845–0.968)

0.962 (0.916–0.983)

0.951^a (0.890–0.978)

0.924 (0.864–0.972)

0.924^b (0.880–0.975)

0.958^b (0.908–0.981)

Ground surface and upper surface of talus angle (GT)

0.924^a (0.794–0.956)

0.927 (0.905–0.981)

0.951^a (0.891–0.978)

0.938 (0.864–0.972)

0.817^b (0.646–0.920)

0.917^b (0.817–0.962)

Tibial plateau and tibial plafond angle (PP)

0.919^a (0.846–0.968)

0.92 (0.827–0.964)

0.812^a (0.732–0.953)

0.929 (0.846–0.968)

0.928^b (0.900–0.980)

0.915^b (0.839–0.925)