Body Composition, Muscle Strength, and Physical Function of Patients with Bethlem Myopathy and Ullrich Congenital Muscular Dystrophy

Table 4

Linear correlation coefficients between potential dependent (lines) and explanatory (columns) variables.

	BMI	FMI	FFMI	AFFMI
Megascore (N)	−0.06	−0.49	0.87	0.93
Hand grip (N)	−0.26	−0.59	0.71	0.76
Elbow flexion (N)	−0.10	−0.46	0.74	0.76
Knee extension (N)	0.07	−0.30	0.75	0.82
Knee flexion (N)	−0.03	−0.41	0.78	0.83
6MWD (m)	−0.13	−0.32	0.41	0.52
10 m (1/𝑇)	−0.26	−0.44	0.40	0.49
4 steps (1/𝑇)	−0.12	−0.45	0.68	0.78
FVC (mL)	−0.04	−0.42	0.78	0.86
% FVC	−0.02	−0.30	0.57	0.68

BMI: body mass index, FMI: fat mass index, FFMI: fat free mass index, AFFMI: appendicular fat free mass index, N: Newton, 6MWD: 6 minute walking distance, 𝑇: time, FVC: forced vital capacity.