Table 2 The inter-observer agreement of morphological measures described as the mean difference Reader 1 – Reader 2 and the 95 % limits of agreement (mean –2SD; mean + 2SD), as well as the intraclass correlation and its 95 % confidence limits, n = 68

CTA MinD (mm)

−0.11(−1.09; 0.86)

0.97 (0.95–0.98)

−0.11(1.57; 1.35)

0.86 (0.78–0.92)

CTA MinA (mm²)

0.08(−5.68; 5.83)

0.97 (0.95–0.98)

−0.48(−9.27; 8.31)

0.87 (0.80–0.92)

CTA Dred (%)

2.46(−22.08; 26.99)

0.94 (0.91–0.96)

2.40(−31.10; 35.90)

0.57 (0.32–0.73)

CTA Ared (%)

−2.03(−33.01; 28.94)

0.91 (0.86–0.94)

−1.91(−41.02; 37.19)

0.64 (0.42–0.78)

MRA MinD (mm)

−0.07(−1.16; 1.03)

0.97 (0.96–0.98)

0.15(−2.32; 2.63)

0.70 (0.47–0.84)

MRA MinA (mm²)

−0.23(−8.25; 7.79)

0.95 (0.93–0.97)

0.40(−10.52; 11.32)

0.76 (0.57–0.87)

MRA Dred (%)

0.97(−17.65; 19.59)

0.98 (0.96–0.98)

−6.90(−64.87; 51.07)

0.48 (0.08–0.71)

MRA Ared (%)

−0.58(−16.81; 15.64)

0.98 (0.97–0.99)

−8.35(−64.59; 47.90)

0.54 (0.19–0.74)