Magnetic resonance elastography is accurate in detecting advanced fibrosis in autoimmune hepatitis

Table 2 Spearman rank correlation analysis results between variables and histological fibrosis stage and inflammation grade

Test	Fibrosis stage			Inflammation grade
	Correlation	95%CI	P value	Correlation	95%CI	P value
AST	0.21	-0.13-0.50	0.2236	0.29	-0.043-0.56	0.0870
ALT	0.02	-0.31-0.35	0.8916	0.31	-0.02-0.58	0.0660
APRI	0.44	0.14-0.68	0.0064	0.39	0.07-0.64	0.0184
AST/ALT	0.40	0.08-0.65	0.0143	0.01	-0.32-0.34	0.9432
FIB-4	0.52	0.23-0.72	0.0012	0.24	-0.09-0.53	0.1497
Platelet	-0.48	-0.69--0.18	0.0032	-0.04	-0.37-0.29	0.7972
INR	0.49	0.19-0.71	0.0022	0.36	0.04-0.62	0.0294
Total Bil	0.36	0.030-0.63	0.0338	0.31	-0.03-0.58	0.0784
LS	0.83	0.69-0.91	< 0.0001	0.19	-0.14-0.49	0.2465

ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; APRI: AST to platelet ratio index; FIB-4: Fibrosis 4 test; INR: International normalization ratio; LS: Liver stiffness.