European Radiology Experimental

Table 2 Correlation between the skeletal muscle area, skeletal muscle index, and skeletal muscle density at each of the thoracic levels T2 − T12 and the third lumbar level (L3)

From: Association between thoracic and third lumbar CT-derived muscle mass and density in Caucasian patients without chronic disease: a proof-of-concept study

	SMA		SMI		SMD
Comparison	r	p	r	p	r	p
T2 versus L3	0.961	< 0.00001	0.912	< 0.00001	0.526	0.0142
T3 versus L3	0.966	< 0.00001	0.903	< 0.00001	0.585	0.0054
T4 versus L3	0.968	< 0.00001	0.921	< 0.00001	0.751	0.0001
T5 versus L3	0.970	< 0.00001	0.924	< 0.00001	0.808	< 0.0001
T6 versus L3	0.944	< 0.00001	0.883	< 0.00001	0.776	< 0.0001
T7 versus L3	0.930	< 0.00001	0.869	< 0.00001	0.814	< 0.0001
T8 versus L3	0.917	< 0.00001	0.837	< 0.00001	0.878	< 0.0001
T9 versus L3	0.936	< 0.00001	0.849	< 0.00001	0.821	< 0.0001
T10 versus L3	0.960	< 0.00001	0.883	< 0.00001	0.890	< 0.0001
T11 versus L3	0.955	< 0.00001	0.938	< 0.00001	0.848	< 0.0001
T12 versus L3	0.953	< 0.00001	0.931	< 0.00001	0.886	< 0.0001

SMA Skeletal muscle area, SMD Skeletal muscle density, SMI Skeletal muscle index

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