Table 2 Reference range for T2* value and iron concentration for mild, moderate and severe cases of liver and cardiac iron overload and number of patients falling in each category
Organ | Severity of iron deposition | T2* (ms) | Iron concentration (mg/g) | Number of cases |
|---|---|---|---|---|
Liver | Normal | > 8.4 | < 2.0 | 4 |
Mild | 2.3–8.4 | 2.0–7.0 | 45 | |
Moderate | 1.05–2.3 | 7.0–15 | 2 | |
Severe | < 1.05 | > 15 | 0 | |
Heart | Normal | > 12.6 | < 1.16 | 45 |
Mild to moderate | 5.8–12.6 | 1.16–2.71 | 3 | |
Severe | < 5.8 | > 2.71 | 0 |