Advances in application of novel magnetic resonance imaging technologies in liver disease diagnosis

Table 2 Comparison of performance indicators of new magnetic resonance techniques in diagnosis of liver disease

Technique	Disease	Subjects	Sensitivity (%)	Specificity (%)	NPV (%)	PPV (%)	Ref.
DWI	HCC	34	54.8	90.9	34.5	95.8	[103]
DWI	LF	40	85	82	85	83	[104]
PDR	MT	83	81	77	NA	NA	[18]
MRE	LF	59	69.0	88.2	53.6	93.5	[105]
MRS	Liver steatosis	4715	72.7-88.5	92.0-95.7	NA	NA	[106]
Gd-EOB-DTPA MRI	HCC	77	88.2	96.7	90.6	95.7	[107]
SPIO MRI	HCC	30	66.0	98.0	91.4	90.0	[108]
MRI-PDFF	NAFLD	60	96	100	92.6	89.5	[70]
Radiomics	MVI	50	90	75	NA	NA	[99]
Radiomics	MVI	981	79	81	NA	NA	[100]

DWI: Diffusion weighted imaging; HCC: Hepatocellular carcinoma; LF: Liver fibrosis; MRE: Magnetic resonance elastography; MRI: Magnetic resonance imaging; MRI-PDFF: Magnetic resonance imaging proton density fat fraction; MRS: Magnetic resonance spectroscopy; MT: Malignant tumor; MVI: Microvascular invasion; NA: Not available; NAFLD: Non-alcoholic fatty liver disease; NPV: Negative predictive value; PDR: Perfusion-diffusion ratio; PPV: Positive predictive value; SPIO: Superparamagnetic iron oxide.