Primary sclerosing cholangitis - What is the difference between east and west?

Table 2 Comparison of characteristics of PSC patients: European and Japanese studies

Parameter	Takikawa (n = 388)	Broome (n = 305)	Ponsioen (n = 174)	Tischendorf (n = 273)
Age (yr)	47	39	40.4	32.4
Male (%)	59	64	60	71
Symptoms
Jaundice	28	30	NA	NA
Pruritus	16	30	NA	NA
IBD	37	81	66	63
CD	2.4	7	13.2	10.6
UC	29	72	47.7	51.7
Laboratory
ALP	88	91.5	NA	NA
Bilirubin	39	41	NA	40
pANCA (+)	13	NA	NA	69
Diagnostic procedures
ERC	80	87.2	76.4	100
MRC	32	NA	NA	NA
Liver biopsy	78	83.2	NA	100
BD involvement
SD	1.6	0	NA	3.3
Only EHBD	4.8	6	NA	3.7
Only IHBD	27	27	NA	24.9
IHBD+EHBD	68	67	NA	68.1
Treatment
UDCA	78	NA	NA	NA
Steroid	31	NA	NA	NA
Endoscopy	14	NA	NA	NA
Liver transplantation	10	NA	8	39.6