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Table 1 Inter- and intra-OR (ICC) of 99m Tc-HDP-SPECT/CT activity using the preoperative 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 0.995 0.958 0.988
F2sa Ratio 0.959 0.992 0.989
F1sp Ratio 1 1 1
F2sp Ratio 0.999 0.999 1
F1ia Ratio 0.985 0.953 0.988
F2ia Ratio 0.983 0.97 0.988
F1ip Ratio 0.989 0.983 0.999
F2ip Ratio 0.997 0.994 0.998
P1s Ratio 0.996 0.996 0.998
P2s Ratio 0.996 0.986 0.996
P1i Ratio 0.944 0.985 0.982
P2i Ratio 0.907 0.942 0.985
T1sa Ratio 0.981 0.984 0.997
T3sa Ratio 0.993 0.99 0.998
T2sa Ratio 0.947 0.975 0.984
T1sp Ratio 0.993 0.987 0.997
T3sp Ratio 0.977 0.98 0.989
T2sp Ratio 0.993 0.991 0.996
T1ia Ratio 0.984 0.964 0.99
T3ia Ratio 0.982 0.97 0.989
T2ia Ratio 0.898 0.975 0.977
T1ip Ratio 0.997 0.937 0.985
T3ip Ratio 0.982 0.98 0.988
T2ip Ratio 0.975 0.994 0.993
T4 Ratio 0.969 0.999 0.993
Total Ratio 0.977 0.979 0.991