Table 4.
Accuracy of BIA and MAMC in identifying patients with low muscle mass with CTPMI as the reference method.
| True Positive (n) |
False Positive (n) |
False Negative (n) |
True Negative (n) |
Sensitivity | Specificity | DOR | |
|---|---|---|---|---|---|---|---|
| BIAFFMI | 3 | 2 | 10 | 34 | 23 | 94 | 5.1 |
| BIAASMI | 5 | 5 | 8 | 30 | 38 | 86 | 3.8 |
| MAMC | 4 | 5 | 9 | 31 | 30 | 86 | 2.8 |
BIA, bioelectrical impedance analysis; FFMI, fat free mass index; ASMI, appendicular skeletal muscle index; MAMC, mid-upper arm muscle circumference; Sens, sensitivity; Spec, specificity; DOR, Diagnostic Odds Ratio.