Table 4.
Qualitative image evaluations and inter-reader agreement for T2DL and T2S sequences
| Characteristics | Reader 1 | Reader 2 | Reader 3 | Kendall’s W | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| T2DL | T2S | p values | T2DL | T2S | p values | T2DL | T2S | p values | T2DL | T2S | |
| Sagittal | |||||||||||
| Overall image quality | 5 (4–5) | 4 (4–5) | < 0.001 | 5 (4–5) | 4 (4–5) | < 0.001 | 5 (4–5) | 4 (4–5) | < 0.001 | 0.873 | 0.887 |
| Artifacts | 5 (4–5) | 4 (4–5) | < 0.001 | 5 (4–5) | 4 (4–5) | < 0.001 | 5 (4–5) | 4 (4–5) | < 0.001 | 0.903 | 0.914 |
| Boundary sharpness | 5 (4–5) | 4 (4–5) | < 0.001 | 5 (4–5) | 4 (4–5) | < 0.001 | 5 (5–5) | 4 (4–5) | < 0.001 | 0.801 | 0.771 |
| Lesion conspicuity | 5 (5–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | 0.002 | 0.847 | 0.871 |
| Axial | |||||||||||
| Overall image quality | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 0.851 | 0.871 |
| Artifacts | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (5–5) | 4 (4–5) | < 0.001 | 0.840 | 0.828 |
| Boundary sharpness | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 0.828 | 0.841 |
| Lesion conspicuity | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (5–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 0.896 | 0.884 |
| Coronal | |||||||||||
| Overall image quality | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 0.867 | 0.905 |
| Artifacts | 5 (4–5) | 4 (4–5) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–5) | < 0.001 | 0.876 | 0.890 |
| Boundary sharpness | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 5 (4–5) | 4 (4–4) | < 0.001 | 0.903 | 0.882 |
| Lesion conspicuity | 5 (4–5) | 4 (4–4) | 0.001 | 5 (4–5) | 4 (4–4) | 0.003 | 5 (4–5) | 4 (4–5) | 0.021 | 0.864 | 0.879 |
T2DL deep learning-accelerated T2-weighted turbo spin echo sequence; T2S standard T2-weighted turbo spin echo sequence