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-DTPAGadobutrol
Reader 1Reader 2AverageReader 1Reader 2AverageAverage

LiverSNR152.85 ± 43.48137.07 ± 36.54143.65 ± 37.05150.73 ± 49.69147.36 ± 37.28147.52 ± 40.530.323
CNR44.50 ± 20.3240.99 ± 15.7942.32 ± 16.6347.18 ± 20.5350.84 ± 14.8048.38 ± 16.540.003
SpleenSNR148.04 ± 44.62144.43 ± 40.55144.57 ± 38.07147.75 ± 48.21166.09 ± 36.88154.83 ± 40.460.009
CNR77.90 ± 28.6771.61 ± 27.7173.87 ± 25.2281.212 ± 31.1490.39 ± 24.6784.76 ± 26.800.001
PancreasSNR156.74 ± 44.42146.89 ± 33.05150.72 ± 36.39166.15 ± 51.06152.75 ± 34.12157.78 ± 39.330.056
CNR44.29 ± 19.4839.29 ± 15.5441.58 ± 16.0850.05 ± 23.3447.68 ± 15.4848.26 ± 17.330.001
KidneySNR187.13 ± 51.95178.24 ± 41.84181.02 ± 42.51182.37 ± 38.81185.41 ± 42.53182.76 ± 37.350.628
CNR109.60 ± 39.92106.60 ± 29.72107.02 ± 32.08106.76 ± 27.74112.95 ± 30.46109.31 ± 27.050.347

SNR, signal-to-noise ratio; CNR, contrast-to-noise ratio.