Spearman rank correlation coefficients of the lesion variation in size compared with baseline MR imagesa
| Measurement Method | Spearman Correlation Coefficient (95% CI) |
|---|---|
| Longest 1D vs axial 1D | 0.890 |
| Longest 1D vs RECIST | 0.898 |
| Longest 1D vs 2D | 0.962 |
| Longest 1D vs 3D | 0.918 |
| Axial 1D vs RECIST | 0.796 |
| Axial 1D vs 2D | 0.872 |
| Axial 1D vs 3D | 0.831 |
| RECIST vs 2D | 0.847 |
| RECIST vs 3D | 0.794 |
| 2D vs 3D | 0.980 |
↵a Cubic roots and square roots were applied for 3D and 2D measurements, respectively.