Table 3.
Intraclass correlations for the concordance based on z-scores between muscle mass measures.
| CTSMI | CTPMI | BIAFFMI | BIAASMI | MAMC | |
|---|---|---|---|---|---|
| CTSMI | - | −0.07 | −0.06 | −0.07 | −0.01 |
| (95%CI −0.35–0.21) | (95%CI −0.33–0.23) | (95%CI −0.34–0.22) | (95%CI −0.29–0.27) | ||
| CTPMI | - | - | 0.73 a | 0.69 a | 0.37 a |
| (95%CI 0.57–0.84) | (95%CI 0.51–0.81) | (95%CI 0.1–0.59) | |||
| BIAFFMI | - | - | - | - | 0.64 a |
| (95%CI 0.44–0.78) | |||||
| BIAASMI | - | - | - | - | 0.71 a |
| (95%CI 0.54–0.83) | |||||
| MAMC | - | - | - | - | - |
CT, computed tomography; SMI, skeletal muscle index; PMI, psoas muscle index; BIA, bioelectrical impedance analysis; FFMI, fat free mass index; ASMI, appendicular skeletal muscle index; MAMC, mid-upper arm muscle circumference. Interpretation: less than 0.40 ‘poor’; between 0.40–0.59 ‘fair’; between 0.6–0.74 ‘good’; between 0.75–1.00 ‘excellent’ [46]. a p < 0.05.