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Table 4 Inter- and intraobserver reliability of tibial anatomic parameters based on ICCsa

From: MRI analysis of tibial PCL attachment in a large population of adult patients: reference data for anatomic PCL reconstruction

  ICC
Interobserver Intraobserver
APD 0.910 0.924
α 0.845 0.896
PTS 0.906 0.927
L1 0.934 0.921
L2 0.892 0.873
L3 0.886 0.893
L4 0.907 0.825
  1. aICCs intraclass correlation coefficients, APD anterior-posterior diameter, α the angle between the tibial plateau and the posterior tibial ‘shelf’, PTS posterior tibial ‘shelf’, L1 distance from the proximal position of the tibial PCL attachment to the tibial plateau, L2 distance from the central position of the tibial PCL attachment to the tibial plateau, L3 width of the tibial PCL attachment site, L4 the vertical dimension of the PCL attachment site from the center of the PCL attachment perpendicularly to a line along the tibial plateau