Table 4.
Intra-observer and inter-observer agreement assessment of interpretations of 2 MRI sets.
| Metric | Intra-observer Agreement | Inter-observer Agreement | ||||
|---|---|---|---|---|---|---|
| MIP | cVRT | MIP | cVRT | |||
| Overall image quality | 0.905 (0.834-0.947) | 0.921 (0.859-0.956) | 0.886 (0.802-0.936) | 0.915 (0.849-0.952) | ||
| Background suppression | 0.860 (0.758-0.920) | 0.898 (0.823-0.943) | 0.851 (0.740-0.916) | 0.892 (0.813-0.939) | ||
| Nerve and lump visualization | 0.852 (0.746-0.915) | 0.920 (0.859-0.955) | 0.803 (0.669-0.887) | 0.910 (0.842-0.950) | ||
| Spatial positional relationship conspicuity | 0.765 (0.610-0.864) | 0.967 (0.941-0.982) | 0.739 (0.573-0.847) | 0.935 (0.884-0.964) | ||
| Diagnostic confidence | 0.888 (0.806-0.937) | 0.933 (0.881-0.963) | 0.868 (0.772-0.925) | 0.932 (0.879-0.962) | ||
MIP, Maximum Intensity Projection; cVRT, Cinematic Volume Rendering Technique.