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. 2021 Sep 13;11:18176. doi: 10.1038/s41598-021-97754-x

Table 2.

Interobserver and intraobserver reproducibility of SC, SSL, TM and SC parameter measurements.

Parameter measurements Interobserver Intraobserver
ICC Difference 95% CI ICC Difference 95% CI
Lower Upper Lower Upper
SCA 0.948 33.05 0.874 0.979 0.935 28.19 0.844 0.974
SCL 0.953 2.33 0.886 0.981 0.941 3.48 0.858 0.988
SSL(method I) 0.895 0.67 0.754 0.957 0.833 0.05 0.625 0.930
SSL(method II) 0.859 2.38 0.678 0.942 0.871 2.62 0.703 0.947
SSL(method III) 0.900 3.95 0.766 0.959 0.865 2.52 0.690 0.944
TMW 0.894 0.81 0.752 0.957 0.900 2.76 0.766 0.959
TML 0.822 2.38 0.604 0.925 0.888 3.47 0.738 0.954
CM1 0.990 0.68 0.976 0.996 0.971 0.86 0.930 0.988
CM2 0.980 1.05 0.951 0.992 0.972 2.62 0.931 0.988
CM3 0.955 3.71 0.893 0.982 0.943 1.52 0.866 0.877

Schlemm’s canal area (SCA, μm2), Schlemm’s canal length (SCL, μm), Scleral spur length (SSL, μm), Trabecular meshwork width (TMW, μm), Trabecular meshwork length (TML, μm), Ciliary muscle thickness (CM, μm), Intraclass correlation coefficient (ICC), Confidence interval (CI).