Variables | T1WI | Contrast- enhanced T1WI |
---|---|---|
Signal intensity of carotid plaque (mean±SD) | 502.4±229.8 | 980.0±424.0 |
Signal intensity of adjacent muscle (mean±SD) | 407.9±197.8 | 665.1±329.4 |
SNR of carotid plaque (mean±SD) | 31.8±9.9 | 52.7±21.6 |
CNR of carotid plaque (mean±SD) | 6.2±6.7 | 20.0±14.2 |
CNR, contrast-to-noise ratio; SNR, signal-to-noise ratio; T1WI, T1-weighted imaging.