Table 4.
Results of qualitative analyses of two different types of two techniques (*SPACE sampling perfection with application-optimized contrast with different flip-angle evolutions, CISS constructive interference in the steady-state).
| 3D-SPACE | 3D-CISS | P-value | ||
|---|---|---|---|---|
| Overall image quality | Observer 1 | 3.87 ± 0.335 | 3.55 ± 0.504 | 0.001 |
| Observer 2 | 3.78 ± 0.423 | 3.47 ± 0.506 | 0.006 | |
| Visibility of the relationship between the schwannoma and CN | Observer 1 | 3.53 ± 0.599 | 2.45 ± 0.783 | < 0.001 |
| Observer 2 | 3.45 ± 0.597 | 2.35 ± 0.700 | < 0.001 | |
| Signal differentiation between lesion and cistern | Observer 1 | 3.80 ± 0.405 | 2.70 ± 0.516 | < 0.001 |
| Observer 2 | 3.70 ± 0.464 | 2.75 ± 0.543 | < 0.001 | |
| Signal differentiation between the lesion and adjacent brain parenchyma | Observer 1 | 3.73 ± 0.452 | 2.42 ± 0.636 | < 0.001 |
| Observer 2 | 3.58 ± 0.501 | 2.33 ± 0.616 | < 0.001 | |
| Artifacts | Observer 1 | 2.95 ± 0.389 | 3.25 ± 0.543 | 0.006 |
| Observer 2 | 2.83 ± 0.446 | 3.33 ± 0.572 | < 0.001 |