Research Article
Gadobutrol Precedes Gd-DTPA in Abdominal Contrast-Enhanced MRA and MRI: A Prospective, Multicenter, Intraindividual Study
Table 3
Quantitative analyses results of visceral organ enhancement of two contrast-enhanced MRI.
| | | Gd-DTPA | Gadobutrol | | Reader 1 | Reader 2 | Average | Reader 1 | Reader 2 | Average | Average |
| Liver | SNR | 152.85 ± 43.48 | 137.07 ± 36.54 | 143.65 ± 37.05 | 150.73 ± 49.69 | 147.36 ± 37.28 | 147.52 ± 40.53 | 0.323 | CNR | 44.50 ± 20.32 | 40.99 ± 15.79 | 42.32 ± 16.63 | 47.18 ± 20.53 | 50.84 ± 14.80 | 48.38 ± 16.54 | 0.003 | Spleen | SNR | 148.04 ± 44.62 | 144.43 ± 40.55 | 144.57 ± 38.07 | 147.75 ± 48.21 | 166.09 ± 36.88 | 154.83 ± 40.46 | 0.009 | CNR | 77.90 ± 28.67 | 71.61 ± 27.71 | 73.87 ± 25.22 | 81.212 ± 31.14 | 90.39 ± 24.67 | 84.76 ± 26.80 | 0.001 | Pancreas | SNR | 156.74 ± 44.42 | 146.89 ± 33.05 | 150.72 ± 36.39 | 166.15 ± 51.06 | 152.75 ± 34.12 | 157.78 ± 39.33 | 0.056 | CNR | 44.29 ± 19.48 | 39.29 ± 15.54 | 41.58 ± 16.08 | 50.05 ± 23.34 | 47.68 ± 15.48 | 48.26 ± 17.33 | 0.001 | Kidney | SNR | 187.13 ± 51.95 | 178.24 ± 41.84 | 181.02 ± 42.51 | 182.37 ± 38.81 | 185.41 ± 42.53 | 182.76 ± 37.35 | 0.628 | CNR | 109.60 ± 39.92 | 106.60 ± 29.72 | 107.02 ± 32.08 | 106.76 ± 27.74 | 112.95 ± 30.46 | 109.31 ± 27.05 | 0.347 |
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SNR, signal-to-noise ratio; CNR, contrast-to-noise ratio.
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