Periportal thickening on magnetic resonance imaging for hepatic fibrosis in infantile cholestasis

Table 1 Clinical summary of the patients with infantile cholestasis

	Overall (n = 155)	BA (n = 110)	Non-BA (n = 45)	P value
Demographics
Age (d)	57.6 ± 34.4	59.7 ± 30.3	52.4 ± 42.8	0.303
Gender (M:F)	61:94	41:69	20:25	0.470
Laboratory results
APRI	1.32 ± 1.61	1.47 ± 1.66	0.95 ± 1.42	0.069
Imaging findings
PT (mm)	4.9 ± 1.8	5.7 ± 1.4	2.9 ± 0.9	< 0.001
SR	1.02 ± 0.20	1.07 ± 0.19	0.91 ± 0.17	< 0.001
METAVIR grades (Patients’ number)
F0/F1/F2/F3/F4	32/10/66/37/10	1/4/59/37/9	31/6/7/0/1	< 0.001

P values from independent t-test except for gender and fibrosis grades from χ² test. BA: Biliary atresia; APRI: Aspartate transaminase to platelet ratio index; SR: Normalized spleen size ratio; PT: Periportal thickening.