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

Table 3 Correlation between three magnetic resonance parameters and aspartate aminotransferase to the platelet ratio index score in hepatic fibrosis group and non-hepatic fibrosis group

Variable Y	Liver stiffness		ADC		CEI
Variable X	APRI		APRI		APRI
Group	HF	nHF	HF	nHF	HF	nHF
Sample size	23	19	23	19	23	19
Spearman's coefficient of rank correlation (r)	0.731	0.411	-0.128	-0.0404	-0.217	-0.132
95%CI	0.457-0.879	-0.054-0.729	-0.3-0.513	-0.422-0.486	-0.578-0.214	-0.553-0.343
for r
P value1	0.0001	0.081	0.561	0.870	0.319	0.591

¹Spearman’s correlation test. ADC: Apparent diffusion coefficient; CEI: Contrast enhancement ratio; APRI: Aspartate aminotransferase to the platelet ratio index; HF: Hepatic fibrosis group; nHF: Non-hepatic fibrosis group.