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Table 2 Inter- and intra-OR (ICC) of 99m Tc-HPD-SPECT/CT activity using the postoperative localization scheme for all regions

From: Assessment of the loading history of patients after high tibial osteotomy using SPECT/CT - a new diagnostic tool and algorithm

Location Type Intra-observer reliability Inter-observer reliability
Observer 1 Observer 2 Observer 1-Observer 2
F1sa Ratio 0.991 0.976 0.97
F2sa Ratio 0.96 0.97 0.999
F1sp Ratio 0.94 0.999 0.994
F2sp Ratio 0.779 0.988 0.986
F1ia Ratio 0.993 0.992 0.982
F2ia Ratio 0.979 0.92 0.948
F1ip Ratio 0.983 0.975 0.996
F2ip Ratio 0.958 0.965 0.974
P1s Ratio 0.997 0.987 0.991
P2s Ratio 0.965 0.976 0.983
P1i Ratio 0.971 0.989 0.991
P2i Ratio 0.974 0.983 0.987
T1sa Ratio 0.958 0.925 0.979
T3sa Ratio 0.979 0.989 0.965
T2sa Ratio 0.972 0.963 0.984
T1sp Ratio 0.973 0.983 0.992
T3sp Ratio 0.997 0.992 0.99
T2sp Ratio 0.956 0.986 0.995
T1ia Ratio 0.983 0.985 0.994
T3ia Ratio 0.988 0.987 0.983
T2ia Ratio 0.963 0.929 0.997
T1ip Ratio 0.995 0.998 0.994
T3ip Ratio 0.983 0.996 0.968
T2ip Ratio 0.999 0.736 0.999
T4 Ratio 0.998 0.992 0.999
Total Ratio 0.969 0.967 0.933