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Table 3 Intra- and interobserver reliabilities of each parameter

From: Tibiofemoral rotation is related to differences in the lateral femoral condyle configuration in both normal subjects and women with hip dysplasia: a three-dimensional analysis

 

Intraobserver reliability

Interobserver reliability

 

MAD±SD

ICC

MAD±SD

ICC

FNA (deg)

1.28 ± 1.45

0.868

1.55 ± 1.82

0.822

CTA (deg)

0.64 ± 0.48

0.903

0.79 ± 0.57

0.874

CEA length (mm)

1.47 ± 1.72

0.841

1.87 ± 1.84

0.811

AM (mm)

1.57 ± 1.86

0.818

1.78 ± 1.93

0.806

PM (mm)

0.73 ± 0.52

0.873

0.86 ± 0.77

0.842

AL (mm)

1.24 ± 0.92

0.848

1.58 ± 1.34

0.827

PL (mm)

1.57 ± 1.86

0.818

1.78 ± 1.93

0.806

APM (mm)

0.73 ± 0.52

0.873

0.86 ± 0.77

0.841

APL (mm)

1.24 ± 0.92

0.838

1.58 ± 1.34

0.824

  1. AL anterolateral, AM anteromedial, APL anteroposterior length of lateral femoral condyle, APM anteroposterior length of medial femoral condyle, CEA clinical epicondylar axis, CTA condylar twist angle, DDH developmental dysplasia of the hip, FNA femoral neck anteversion, ICC intraclass correlation coefficient, KRA knee rotation angle, MAD mean absolute difference, PL posterolateral, PM posteromedial, SD standard deviation