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Table 2 Intra- and inter-observer-reliability. In the upper part the local absolute and the maximum of every region is shown whereas in the lower part the ratio to the individual physiological bone activity (measured in the not affected proximal tibia) is listed

From: Intra- and inter-observer reliability of a new standardized diagnostic method using SPECT/CT in patients with osteochondral lesions of the ankle joint

 

Intra observer 1

Intra observer 2

Inter R1–R2

 

ICC

Lower

Upper

ICC

Lower

Upper

ICC

Lower

Upper

Total Uptake (Global Max)

1

1

1

1

1

1

1

1

1

Baseline Activity (Tibia)

1

0.99

1

1

1

1

0.98

0.94

0.99

Local (max) T1

1

1

1

1

1

1

1

0.99

1

Local (max) T2

0.99

0.98

1

1

0.99

1

0.99

0.98

1

Local (max) T3

0.99

0.98

1

1

1

1

1

0.99

1

Local (max) T4

0.98

0.93

0.99

0.97

0.91

0.99

0.98

0.95

0.99

Local (max) T5

0.96

0.89

0.99

0.96

0.9

0.99

0.98

0.95

0.99

Local (max) T6

0.99

0.97

1

0.99

0.97

1

0.97

0.92

0.99

Local (max) Talus Centre

0.96

0.89

0.99

0.96

0.89

0.99

0.98

0.96

0.99

Ratio T1

1

0.99

1

1

1

1

0.99

0.98

1

Ratio T2

0.99

0.98

1

0.99

0.98

1

0.98

0.94

0.99

Ratio T3

0.98

0.95

0.99

1

0.99

1

0.98

0.95

0.99

Ratio T4

0.96

0.9

0.99

0.94

0.83

0.98

0.94

0.84

0.98

Ratio T5

0.97

0.92

0.99

0.93

0.81

0.97

0.98

0.93

0.99

Ratio T6

1

0.99

1

0.99

0.97

1

0.94

0.84

0.98

Ratio Talus Centre

0.94

0.84

0.98

0.94

0.84

0.98

0.97

0.92

0.99