Attenuation imaging for hepatic steatosis in chronic hepatitis B vs metabolic dysfunction-associated steatotic liver disease

Table 2 Diagnostic performance of attenuation coefficient in the detection of hepatic steatosis

Characteristic	AUC	Cutoff value	Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Negative predictive value (%)	Accuracy (%)
CHB
≥ S1	0.918	0.64	90.9	77.8	75	92.1	83.3
≥ S2	0.960	0.77	88.2	98.4	93.7	96.7	96.1
S3	0.987	0.94	100	98.7	66.7	100	98.7
MASLD
≥ S1	0.836	0.79	84.4	82.3	97.7	36.8	84.2
≥ S2	0.774	0.88	80.2	68.2	71.8	77.3	74.2
S3	0.688	0.93	72.7	63.8	22.8	94.1	64.9

CHB: Chronic hepatitis B; MASLD: Metabolic dysfunction-associated steatotic liver disease; AUC: Aera under the curve.