. 2022 Mar 1;41(12):2910–2917. doi: 10.1016/j.clnu.2022.02.019

Table 4.

Relationships between computerized tomography-assessed skeletal muscle area (cm²) and markers of muscle mass.

	Rho^a	β (95% CI)^b	R²
Mid-upper arm circumference, cm	r: 0.44, p < 0.001∗	4.5 (2.5–6.5), p 0.001∗	0.18
Calf circumference, cm	r: 0.45, p < 0.001∗	5.1 (2.9–7.3), p 0.001∗	0.20
Fat free mass (kg)	r: 0.70, p < 0.001∗	2.1 (1.7–2.6), p 0.001∗	0.49
Phase angle (°)	r: 0.39, p < 0.001∗	13.5 (6.5–20.4), p 0.001∗	0.14

∗Significant results (P < 0.05).

Pearson test.

Univariate linear regression.