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Mean number of lesions detected by technique
| Type of Lesion | PSIR+DIR | FLAIR | % Improvement | P Value |
|---|---|---|---|---|
| Intracortical | 7.8 ± 9.4 | 1.4 ± 1.8 | 439 | .0002 |
| Mixed | 9 ± 11 | 1.8 ± 2.4 | 414 | <.0001 |
| Juxtacortical | 2.5 ± 2.4 | 1.1 ± 1.5 | 117 | .0078 |
| Overall | 19.2 ± 21.1 | 4.3 ± 4.3 | 345 | <.0001 |
Note:—PSIR indicates phase-sensitive inversion recovery; DIR, double inversion recovery; FLAIR, fluid-attenuated inversion recovery.
