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Table 1.

Interobserver correlation coefficients (ICC)

Distance/Index Group 1 ICC Distance/Index Group 2 ICC
E 0.992 E 0.993
C 0.993 C 0.979
CCR 0.977 CBR 0.979
A 0.987 A 0.977
CFI 0.980 CFI 0.893
B 0.981 B 0.956
D 0.986 D 0.769
MCI 0.966 MCI 0.849
F 0.987 F 0.983
CBR 0.976 CBR 0.986

Interobserver correlation coefficients regarding the measured indices and distances. The correlation was good between both observers, except in D of the osteoarthritis group, ICC was >0.8 in every case.