Summary of attenuation values
| Type of Tissue | N | Mean HU | SD | Median | 2.5–97.5 Percentiles | Normal Distribution |
|---|---|---|---|---|---|---|
| Basal | ||||||
| Fibrous | 47 | 91.66 | 17.7474 | 93 | 47.525–121.400 | 0.0052 |
| LRNC | 63 | 39.476 | 19.4529 | 34 | 16.075–87.625 | 0.0355 |
| IPH | 59 | 17.475 | 4.9283 | 17 | 8.975–26.025 | 0.0668 |
| Contrast | ||||||
| Fibrous | 47 | 93.128 | 16.3609 | 94 | 49.875–120.775 | 0.0003 |
| LRNC | 63 | 48.048 | 19.3811 | 43 | 21.000–85.925 | 0.1446 |
| IPH | 59 | 18.407 | 4.8428 | 18 | 10.975–27.000 | 0.0021 |