Inflammatory bowel disease of primary sclerosing cholangitis: A distinct entity?

Table 2 Inflammatory bowel disease association in sclerosing cholangitis n (%)

Ref.	IgG4-SC	PSC
Nishino et al[44]	0/24 (0)	15/24 (62.5)	P < 0.0001
Zen et al[45]	0/17 (0)	5/5 (100)	P < 0.0001
Ghazale et al[46]	3/53 (6)	70%
Mendes et al[41]	NA	Elevated group (n = 12)
		6/12 (50)
		Normal group (n = 115)
		97/115 (90)
Nakazawa et al[5]	0/62 (0)	21/31 (68)	P < 0.0001

IgG4-SC: Immunoglobulin G4-related sclerosing cholangitis; PSC: Primary sclerosing cholangitis.