Repeatability and Image Quality of IDEAL-IQ in Human Lumbar Vertebrae for Fat and Iron Quantification across Acquisition Parameters

Table 3

Fat fraction and R2 measurements and interscan and intersequence agreement analyses.

		Sequence 1	Sequence 2	Sequence 3	Sequence 4	Sequence 5	Sequence 6
FF	1^st scan
	2^nd scan
	Pooled
	Interscan ICC	0.976	0.987	0.725	0.961	0.952	0.898
	Intersequence ICC	0.860
R2	1^st scan
	2^nd scan			2
	Pooled
	Interscan ICC	0.597	0.721	0.412^#	0.664	0.447	0.577
	Intersequence ICC	0.579

FF = fat fraction; ICC = intraclass correlation coefficient. and ^#.