Table 2 Inter- and intra-reader ICCs for the measurements of parameters

From: Diffusion–tensor MRI study of the relationship between glymphatic system asymmetry and onset lateralization in Parkinson’s disease

Parameters

Inter-reader ICC

Intra-reader ICC

Left diffusivity (×10−3 mm2/s)

 Dxxproj

0.957 (0.936–0.971)

0.912 (0.820–0.951)

 Dxxasso

0.893 (0.823–0.933)

0.930 (0.899–0.952)

 Dyyproj

0.903 (0.804–0.964)

0.876 (0.769–0.927)

 Dzzasso

0.887 (0.831–0.923)

0.837 (0.717–0.901)

Left ALPS-index

0.899 (0.837–0.935)

0.934 (0.773–0.971)

Right diffusivity (×10−3 mm2/s)

 Dxxproj

0.928 (0.897–0.950)

0.906 (0.861–0.937)

 Dxxasso

0.881 (0.766–0.932)

0.849 (0.722–0.899)

 Dyyproj

0.920 (0.789–0.960)

0.884 (0.776–0.934)

 Dzzasso

0.886 (0.829–0.924)

0.844 (0.778–0.891)

Right ALPS-index

0.930 (0.753–0.969)

0.931 (0.746–0.970)

  1. Data in parentheses are 95% confidence intervals.
  2. ICC intra-class correlation coefficient
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