Table 3.

Correlations (corr) between age and muscle fatty infiltrate (MFI) using three different MFI quantification methods; T1 intermuscular, T1 subcutaneous, and Dixon. Significant (signf) findings are indicated by an asterisk (*p<0.05, **p<0.01), and the p-values are shown.

Spinal level	Muscle	Correlations of MFI with age
		T1 intermuscular		T1 subcutaneous		Dixon
		corr (r)	signf	corr (r)	signf	corr (r)	signf
L6	P	0.050	0.864	-.607*	0.021	0.624*	0.017
	M	0.635*	0.015	-0.156	0.595	0.429	0.126
	L	0.853**	0.000	0.115	0.696	0.690**	0.006
L5	P	0.147	0.617	-0.610*	0.021	0.296	0.305
	M	0.612*	0.020	-0.021	0.944	0.472	0.088
	L	0.415	0.140	-0.410	0.145	0.481	0.082
L4	P	0.089	0.761	-0.633*	0.015	0.282	0.329
	M	0.328	0.252	-0.330	0.249	0.424	0.131
	L	0.216	0.459	-0.596*	0.024	0.608*	0.021
L3	P	0.151	0.606	-0.722**	0.004	0.388	0.171
	M	0.408	0.147	-0.183	0.530	0.268	0.354
	L	0.209	0.474	-0.596*	0.024	0.489	0.076
L2	P	-0.053	0.858	-0.706**	0.005	0.342	0.232
	M	0.374	0.188	-0.021	0.944	0.275	0.341
	L	0.131	0.656	-0.578*	0.030	0.731**	0.003
L1	P	-0.199	0.494	-0.713**	0.004	0.000	1.000
	M	0.305	0.289	-0.165	0.573	0.362	0.203
	L	-0.197	0.499	-0.702**	0.005	0.527	0.053