Mean clinical data for the 15 volunteers, regarding image quality and inflammatory criteria
| Segment | Rectum | Sigmoid colon | Descending colon | Transverse colon | Descending colon | Caecum | Average |
|---|---|---|---|---|---|---|---|
| Distension and the presences of artefacts was ranked according to a three point scale (1 = good distension, no artefacts and 3 = poor distension, extensive artefacts). | |||||||
| CNR, contrast to noise ratio. | |||||||
| Distension | 1.17 (0.4) | 1.31 (0.5) | 1.22 (0.4) | 1.20 (0.3) | 1.21 (0.4) | 1.21 (0.4) | 1.22 |
| Artefacts | 1.14 (0.2) | 1.26 (0.4) | 1.28 (0.5) | 1.25 (0.3) | 1.27 (0.5) | 1.25 (0.5) | 1.24 |
| CNR pre contrast | 14.0 (3) | 13.0 (4) | 13.0 (4) | 14.0 (3) | 12.0 (3) | 12.0 (3) | 13.0 |
| CNR post contrast | 43.0 (4) | 37.0 (3) | 23.0 (3) | 40.0 (4) | 21.0 (4) | 25.0 (3) | 31.5 |
| Wall thickness (mm) | 2.20 (0.2) | 2.10 (0.1) | 2.10 (0.1) | 2.10 (0.1) | 2.00 (0.1) | 1.90 (0.2) | 2.0 |
| Perifocal lymph nodes (n) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Haustral folds (n) | 2.5 (0.5) | 12.0 (2) | 14.0 (4) | 16.0 (2) | 11.0 (3) | 7.0 (2) | 10.4 |