Predictors of pituitary iron
| Parameter . | Linear regression . | Logistic regression (R2 z > 5) . | |||
|---|---|---|---|---|---|
| r2 . | P value . | AUROC . | Threshold . | P value . | |
| Years of transfusion | 0.36 | .0002 | 0.82 | 8 y | .012 |
| Ferritin | 0.58 | <.0001 | 0.91 | 4800 ng/mL | .0029 |
| LIC | 0.44 | <.0001 | 0.92 | 25.3 mg/g | .011 |
| R2∗ pancreas | 0.62 | <.0001 | 0.85 | 54 Hz | .07 |
| 1/T2∗ heart | 0.61 | <.0001 | 0.79 | 20 ms | .055 |
| Hemoglobin S | 0.11 | .08 | 0.71 | 28% | .098 |
| Reticulocyte count | 0.05 | .26 | 0.53 | 7% | .59 |
| Parameter . | Linear regression . | Logistic regression (R2 z > 5) . | |||
|---|---|---|---|---|---|
| r2 . | P value . | AUROC . | Threshold . | P value . | |
| Years of transfusion | 0.36 | .0002 | 0.82 | 8 y | .012 |
| Ferritin | 0.58 | <.0001 | 0.91 | 4800 ng/mL | .0029 |
| LIC | 0.44 | <.0001 | 0.92 | 25.3 mg/g | .011 |
| R2∗ pancreas | 0.62 | <.0001 | 0.85 | 54 Hz | .07 |
| 1/T2∗ heart | 0.61 | <.0001 | 0.79 | 20 ms | .055 |
| Hemoglobin S | 0.11 | .08 | 0.71 | 28% | .098 |
| Reticulocyte count | 0.05 | .26 | 0.53 | 7% | .59 |