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Measurement of LIC by different MRI parameters
| Hepatic iron overload grade | T2* liver MRI (ms) | R2* liver MRI (Hz) | LIC (mg/g) |
|---|---|---|---|
| Normal | > 15.4 | < 65 | < 2 |
| Mild | 4.5–15.4 | 65–224 | 2–7 |
| Moderate | 2.1–4.5 | 224–475 | 7–15 |
| Severe | < 2.1 | > 475 | > 15 |
LIC, liver iron concentration; MRI, magnetic resonance image; T2*, T2 star; R2*, R2 star
