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Paired-sample Area Difference under the Receiver Operating Characteristics Curves
| Characteristic | Area under the Curve (95% CI) |
|---|---|
| 1 Quadriceps depth, cm | 0.80 (0.64, 0.97) |
| 2 Rectus femoris cross-sectional area, cm2 | 0.70 (0.49, 0.91) |
| 3 Psoas muscle area, cm2 | 0.88 (0.76, 1.00) |
| 4 Rectus femoris circumference, cm | 0.67 (4.46, 0.88) |
1 versus 2, P = 0.088; 1 versus 3, P = 0.346; 1 versus 4, P = 0.106; 2 versus 3, P = 0.133; 2 versus 4, P = 0.439; 3 versus 4, P = 0.090.
