Three-Tesla magnetic resonance elastography for hepatic fibrosis: Comparison with diffusion-weighted imaging and gadoxetic acid-enhanced magnetic resonance imaging

Table 2 Correlation between three magnetic resonance parameters and aspartate aminotransferase to the platelet ratio index score in all patients

Variable Y	Liver stiffness	ADC	CEI
Variable X	APRI	APRI	APRI
Sample size	42	42	42
Spearman's coefficient of rank correlation (r)	0.773	-0.28	-0.321
95%CI for r	0.613-0.872	-0.538-0.026	-0.570-(-0.019)
P value1	< 0.0001	0.0723	0.038

¹Spearman’s correlation test. ADC: Apparent diffusion coefficient; CEI: Contrast enhancement ratio; APRI: Aspartate aminotransferase to the platelet ratio index.