The sensitivity and specificity of the mean attenuation analysis, histogram, calculated p10, absolute and relative washout were (37.5% and 100%, cutoff 10 HU), (84.4% and 82.8%, cutoff 10%), (78.1% and 82.1%, cutoff 0), (88% and 72%, cutoff 60%), and (84% and 65.4%, cutoff 40%), respectively.