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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

	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