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. 2007 Jun;28(6):1126–1132. doi: 10.3174/ajnr.A0487

Results from reader assessments of dynamic and static examinations

Examination Type
Dynamic Static
% of cases with motion artifact
    Reader 1 0 8.8
    Reader 2 20.6 11.8
    Reader 3 0 38.2
    Overall (P = .02) 6.9 19.6
% of cases with limited range of motion
    Reader 1 23.5 29.4
    Reader 2 8.8 26.5
    Reader 3 20.6 35.3
    Overall (P = .02) 17.7 30.4
    Consensus (χ2 = 0.85, P > .25) 14.7 23.5
% of cases of dislocations rated
    Reader 1 17.7 38.2
    Reader 2 2.9 20.6
    Reader 3 47.1 35.3
    Overall (P = .02) 22.6 31.4
    Consensus (χ2 = 0.06, P > .5) 38.2 35.3
% of cases with high confidence ratings (>3)
    Reader 1 64.7 61.8
    Reader 2 76.5 55.9
    Reader 3 72.6 50.0
    Overall (P = .06) 72.6 55.9
Mean and SD of confidence scores
    Reader 1 3.85 ± 1.0 3.91 ± 1.1
    Reader 2 4.24 ± 1.1 3.74 ± 1.1
    Reader 3 4.24 ± 0.9 3.56 ± 1.1
    Overall (P = .02) 4.11 ± 1.0 3.74 ± 1.1