07 November 2020 : Clinical Research
High-Resolution Vessel Wall Magnetic Resonance Imaging of the Middle Cerebral Artery: Comparison of 3D CUBE T1-Weighted Sequence with and without Fat Suppression
Yejun Wu1ABCDE, Fangbing Li1CDF, Yilin Wang2CDF, Tianxiang Hu2BC, Liang Xiao2G*DOI: 10.12659/MSM.928931
Med Sci Monit 2020; 26:e928931
Table 4 ICC values of intraobserver, and interobserver reproducibility for two sequences.
| Characteristic | 3D CUBE T1 without FS-ICC (95% CI) | 3D CUBE T1 with FS-ICC (95% CI) | 3D CUBE T1 without FS-ICC (95% CI) | 3D CUBE T1 with FS-ICC (95%CI) | ||||
|---|---|---|---|---|---|---|---|---|
| MCA stenosis patients (n=105) | Reader 1 1 2 | Reader 2 1 2 | Reader 1 1 2 | Reader 2 1 2 | 1 Reader 1 2 | 2 Reader 1 2 | 1 Reader 1 2 | 2 Reader 1 2 |
| Noise | 0.97 (0.98–0.99) | 0.97 (0.95–0.98) | 0.98 (0.98–0.99) | 0.94 (0.91–0.95) | 0.76 (0.57–0.80) | 0.78 (0.61–0.81) | 0.79 (0.72–0.85) | 0.78 (0.71–0.83) |
| Vessel wall visualization | 0.96 (0.94–0.98) | 0.98 (0.97–0.98) | 0.96 (0.94–0.98) | 0.99 (0.98–0.99) | 0.74 (0.56–0.80) | 0.75 (0.57–0.82 | 0.78 (0.59–0.82) | 0.76 (0.51–0.79) |
| Lumen visualization | 0.98 (0.97–0.98) | 0.94 (0.92–0.96) | 0.99 (0.99–0.99 | 0.98 (0.97–0.98) | 0.77 (0.65–0.82) | 0.78 (0.68–0.84) | 0.79 (0.66–0.81) | 0.78 (0.63–0.80) |
| Vessel wall and surrounding tissue resolution | 0.99 (0.98–0.99) | 0.99 (0.99–0.99) | 0.99 (0.99–0.99 | 0.99 (0.99–0.99) | 0.75 (0.59–0.81) | 0.75 (0.62–0.83) | 0.75 (0.60–0.73) | 0.76 (0.69–0.77) |
| Plaque visualization | 0.98 (0.97–0.98) | 0.98 (0.97–0.98) | 0.98 (0.97–0.98) | 0.98 (0.97–0.98) | 0.82 (0.73–0.87) | 0.81 (0.71–0.85) | 0.76 (0.65–0.84) | 0.78 (0.68–0.87) |
| plaque and Vessel wall resolution | 0.98 (0.98–0.99) | 0.97 (0.97–0.98) | 0.98 (0.97–0.98) | 0.94 (0.90–0.95) | 0.81 (0.71–0.87) | 0.74 (0.57–0.77) | 0.76 (0.61–0.82) | 0.73 (0.57–0.77) |
| MCA – middle cerebral artery; ICC – intraclass correlation coefficient; CI – confidence interval; FS – fat suppression. | ||||||||