Table 3.

Pearson correlations between muscle mass, body composition, and physical function.

	BMI	Skeletal Muscle Cross-Sectional Area	Fat Free Mass (Anthropometry)	Skeletal Muscle Index	FFMI (BIA)	FFMI (Anthropometry)	Hand Grip Strength
BMI	-	0.291 a	0.558 a	0.379 a	0.784 a	0.789 a	0.154 b
Skeletal muscle cross-sectional area	0.291 a	-	0.651 a	0.897 a	0.614 a	0.467 a	0.608 a
Fat free mass (anthropometry)	0.558 a	0.651 a	-	0.458 a	0.698 a	0.840 a	0.557 a
SMI	0.379 a	0.897 a	0.458 a	-	0.579 a	0.485 a	0.452 a
FFMI (BIA)	0.784 a	0.614 a	0.698 a	0.579 a	-	0.781 a	0.481 a
FFMI (anthropometry)	0.789 a	0.467 a	0.840 a	0.485 a	0.781 a	-	0.306 a
Hand grip strength	0.154 b	0.608 a	0.557 a	0.452 a	0.481 a	0.306 a	-

BMI: body mass index; BIA: bioelectrical impedance analysis; FFMI: fat free mass index; SMI: skeletal muscle index. a = p < 0.01; b = p < 0.05.