Table 2. Results of the reproducibility analysis.
| Statistical variable | K trans | IAUGC |
|---|---|---|
| Mean | 0.39 | 6.36 |
| dsd | 0.26 | 1.09 |
| wCV (%) | 20.30% | 12.10% |
| r | 0.51 | 2.14 |
| r (%) for individual patient | −40.0 to +66.7% | ±33.7% |
| r (%) for group (n=11) | −15.3 to +18.1% | ±12.0% |
| r (%) for group (n=18) | −11.9 to +13.6% | ±8.8% |
| ICC | 0.76 | 0.92 |
| F | 7.84 | 25.4 |
Ktrans: transfer constant; IAUGC: initial area under the gadolinium concentration time curve; mean: group mean pretreatment value; dsd: squared root of the mean squared difference; wCV: within-patient coefficient of variation; r: individual patient repeatability; r (%) individual patient: repeatability as a percentage of the mean for an individual patient; r (%) group: repeatability for the group of patients (n=11 or 18). ICC: interclass correlation coefficient; F: ratio of between-patient variance to within-patient variance.