Assessment of hepatic steatosis of potential living donor before liver transplantation using liver/spleen CT attenuation ratio compared to liver biopsy

Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Role of CT indices in diagnosis of hepatosteatosis

	Cut-off	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	AUC	P value
CTL	≤ 55.4	80	71.1	52.2	90	0.817	< 0.001 *
CTL-S	≤ 8.7	80	65.8	48	89.3	0.788	< 0.001 *
CTL/S	≤ 1.17	73.3	73.7	52.4	87.5	0.783	< 0.001 *
RT/S	≤ 1.1548	86.7	71.1	54.2	93.1	0.786	< 0.001 *
LT/S	≤ 1.2971	86.7	50.0	40.6	90.5	0.726	< 0.001 *

PPV Positive predictive value, NPV Negative predictive value, AUC Area under the curve, CTL Liver attenuation, CTL_S Difference between liver and spleen attenuation, CTL/S Ratio of hepatic attenuation to splenic attenuation, RT/S Ratio of right hepatic attenuation to splenic attenuation, LT/S Ratio of left hepatic attenuation to splenic attenuation