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Number of patients who had increased/preserved OEF.
| QSM-OEF |
||||
|---|---|---|---|---|
| Increased | Preserved | Total | ||
| PET-OEF | Increased | 5 | 3 | 8 |
| Preserved | 2 |
16 | 18 | |
| Total | 7 | 19 | 26 | |
PET: positron emission tomography; OEF: oxygen extraction fraction; QSM: quantitative susceptibility mapping.
