Table 2:
Image-quality assessmenta
| Brain (n = 40) | Globe (n = 40) | Inferior Rectus Muscle (n = 40) | Optic Nerve (n = 40) | Cribriform Plate (n = 40) | Lamina Papyracea (n = 40) | Middle Turbinate (n = 40) | Nasal Septum (n = 40) | Total (n = 320) | |
|---|---|---|---|---|---|---|---|---|---|
| SOFT FBP LD | 1.5 (0.51)b | 1.6 (0.55)b | 1.9 (0.43)b | 1.8 (0.52)b | 3.3 (0.47) | 3.1 (0.38)b | 3.3 (0.44) | 3.1 (0.38) | 2.4 (0.90)b |
| BONE FBP LD | 1.0 (0.00)b | 1.0 (0.16)b | 1.0 (0.16)b | 1.1 (0.27)b | 3.7 (0.62)b | 3.7 (0.56)b | 3.4 (0.58) | 3.6 (0.59)b | 2.3 (1.35)b |
| VEO LD | 2.8 (0.41) | 2.9 (0.35) | 3.1 (0.32) | 3.1 (0.32) | 3.2 (0.48) | 2.7 (0.53) | 3.2 (0.53) | 3.0 (0.45) | 3.0 (0.46) |
| SOFT FBP SD | 3.4 (0.55)b | 4.0 (0.42)b | 4.0 (0.58)b | 4.1 (0.40)b | 4.0 (0.51)b | 3.9 (0.47)b | 4.0 (0.55)b | 3.9 (0.56)b | 3.9 (0.54)b |
| BONE FBP SD | 2.0 (0.28)b | 2.5 (0.51)b | 3.0 (0.53) | 3.1 (0.45) | 4.7 (0.47)b | 4.9 (0.33)b | 4.7 (0.46)b | 4.9 (0.36)b | 3.7 (1.19)b |
a
Values are expressed as mean (SD). Image-quality scale ranges from 1 (unacceptable noise, nondiagnostic) to 5 (excellent image quality, best diagnostic value).
b
Statistically significant difference (P < .001) in paired comparison with VEO LD.