Table 2.

Concordance (expressed as κ-value) between the native images and those generated with virtual multimodal imaging

	L4-L5 disc disease	L5-S1 disc disease	L4-S1 Modic-type endplate changes
T1-weighted to T2-weighted	0.455 (moderate)	0.221 (fair)	0.406 (moderate)
T2-weighted to T1-weighted	0.086 (poor)	0.270 (fair)	0.286 (fair)
T2-weighted to STIR	0.842 (excellent)	1.000 (excellent)	0.592 (moderate)
T2-weighted to TIRM	0.842 (excellent)	0.933 (excellent)	0.691 (good)
	Lumbar vertebrae number	Lumbar vertebral body fractures
Sagittal x-ray to T2-weighted	0.065 (poor)	0.051 (poor)