Table 3.
ROC analysis of US, BIS, and HGS for PEW risk.
| Parameters | AUC | 95% CI | p-Value | Sensitivity | Specificity |
|---|---|---|---|---|---|
| RFMID (cm) | 0.639 | 0.57–0.71 | <0.001 | 0.531 | 0.748 |
| VIMID (cm) | 0.702 | 0.64–0.77 | <0.001 | 0.827 | 0.474 |
| RF2/3 (cm) | 0.647 | 0.58–0.72 | <0.001 | 0.593 | 0.663 |
| VI2/3 (cm) | 0.696 | 0.63–0.76 | <0.001 | 0.654 | 0.656 |
| RFCSA (cm2) | 0.686 | 0.62–0.75 | <0.001 | 0.728 | 0.556 |
| BIS–LTM | 0.515 | 0.45–0.58 | 0.693 | 0.797 | 0.300 |
| BIS–LTI | 0.581 | 0.51–0.65 | 0.029 | 0.658 | 0.539 |
| BIS–BCM | 0.545 | 0.48–0.61 | 0.229 | 0.772 | 0.378 |
| HGS | 0.532 | 0.46–0.60 | 0.380 | 0.620 | 0.491 |
Abbreviations: AUC, area under the curve; BCM, body cell mass; BIS, bio-impedance spectroscopy; CI, confidence interval; CSA, cross-sectional area; HGS, handgrip strength; LTI, lean tissue index; LTM, lean tissue mass; MID, mid-point; PEW, protein energy wasting; RF, rectus femoris; ROC, receiver operating characteristic; US, ultrasound; VI, vastus intermedius.