Volume and fat infiltration of spino-pelvic musculature in adults with spinal deformity

Table 7 Correlation between age and muscular volume, infiltrated fat volume and percentage of fat component

		Vmuscle		Vfat		Pfat
		r	P	r	P	r	P
Age	Spine extensor	-0.208	0.393	0.420	0.073	0.480a	0.038
	Spine flexor	-0.417	0.076	0.208	0.393	0.427	0.068
	Hip extensor	0.018	0.943	0.564a	0.012	0.633b	0.004
	Hip flexor	-0.309	0.198	0.555a	0.014	0.658b	0.002
	Knee extensor	-0.701b	0.001	0.645b	0.003	0.680b	0.001
	Knee flexor	-0.319	0.183	0.589b	0.008	0.679b	0.001
	All muscles	-0.433	0.064	0.614b	0.005	0.676b	0.001

Statistically significant difference with

^aP-value < 0.05; Statistically significant difference with

^bP-value < 0.01. Vmuscle: Muscular volume; Vfat: Infiltrated fat volume; Pfat: Percentage of fat component.