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

Table 8 Correlation between age and muscular volume, infiltrated fat volume and percentage of fat component

		Vmuscle		Vfat		Pfat
		r	P	r	P	r	P
BMI	Spine extensor	0.127	0.606	0.017	0.944	-0.038	0.876
	Spine flexor	-0.027	0.913	0.443	0.057	0.450	0.053
	Hip extensor	0.642b	0.003	0.693b	0.001	0.587b	0.008
	Kip flexor	0.159	0.515	0.657b	0.002	0.587b	0.008
	Knee extensor	-0.236	0.330	0.596b	0.007	0.518a	0.023
	Knee flexor	0.470a	0.042	0.761b	< 0.001	0.570a	0.011
	All muscles	0.207	0.394	0.592b	0.008	0.458a	0.049

Statistically significant difference with

^aP-value < 0.05; Statistically significant difference with

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