Table 3.
Specificity, sensitivity, negative predictive value, positive predictive value and accuracy for defined cutoffs of ΔTHday10 and ΔCSAday10 of muscles.
| Muscles | Lateral | Variable | Cutoff (%) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) |
|---|---|---|---|---|---|---|---|---|
| BB | Left | ΔTH | 15 | 36.5 | 76.9 | 80.0 | 45.5 | 59.5 |
| ΔCSA | 12 | 66.7 | 46.2 | 66.7 | 38.5 | 56.8 | ||
| Right | ΔTH | 15 | 58.3 | 76.9 | 83.3 | 52.6 | 67.6 | |
| ΔCSA | 12 | 58.3 | 84.6 | 82.4 | 50.0 | 64.9 | ||
| RF | Left | ΔTH | 15 | 58.3 | 76.9 | 83.3 | 52.6 | 67.6 |
| ΔCSA | 12 | 58.3 | 76.9 | 50.0 | 47.4 | 62.2 | ||
| Right | ΔTH | 15 | 70.8 | 84.6 | 89.5 | 61.1 | 75.7 | |
| ΔCSA | 12 | 70.8 | 100 | 70.8 | 84.6 | 75.7 | ||
| VI | Left | ΔTH | 15 | 79.2 | 69.2 | 82.6 | 64.3 | 75.7 |
| Right | ΔTH | 15 | 83.3 | 69.2 | 83.3 | 69.2 | 78.4 |
BB, biceps brachii; RF, rectus femoris; VI, vastus intermedius; ΔTH, changes in thickness; ΔCSA, changes in cross-sectional area; PPV, positive predictive values; NPV, negative predictive values.