Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Sep 14, 2015; 21(34): 9993-9998
Published online Sep 14, 2015. doi: 10.3748/wjg.v21.i34.9993
Table 1 Comparison of stone visualization scores between spectral computed tomography images and polychromatic computed tomography images
ImagePolychromatic40 keV140 keVCalcium baseLipid base
Mean4.624.904.534.914.77
SD1.000.351.150.430.63
P value0.000.000.000.00