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Bias and limits of agreement between MRI and other methods
| Limits of Agreement |
|||||
|---|---|---|---|---|---|
| N | Mean of Difference | SD of Difference | Lower | Upper | |
| MRI vs. D3-creatine | |||||
| Method 1 (urine) | 17 | 2.26 | 2.93 | –3.60 | 8.11 |
| Method 2 (urine) | 17 | 2.91 | 2.63 | –2.36 | 8.17 |
| Method 3 (urine) | 17 | 3.00 | 2.75 | –2.50 | 8.51 |
| Method 4 (plasma) | 17 | –1.21 | 3.53 | –8.28 | 5.85 |
| MRI vs. DXA | |||||
| LBM | 17 | –22.49 | 3.71 | –29.92 | –15.07 |
| ALM | 17 | 4.62 | 1.79 | 1.04 | 8.21 |
| MRI vs. 24-h UCrn (mean of 3 days) | 17 | 8.02 | 2.98 | 2.07 | 13.97 |
Values are expressed in kg.
