The Relationship between Serum Bilirubin and Inflammatory Bowel Disease

Table 3

Relationship between phenotype characteristics and serum bilirubin levels of patients with IBD.

	(%)	Serum bilirubin (μmol/L)
CD ()
Age at diagnosis (yr)
A1 (≤16)	16 (6.6%)	6.5 (4.2-12.5)	0.453
A2 (17-40)	180 (74.4%)	8.1 (5.5-11.2)
A3 (>40)	46 (19.0%)	7.7 (6.7-10.3)
Location of the disease
L1	80 (33.1%)	8.8 (6.4-12.6)	0.023
L2	11 (4.5%)	6.5 (5.3-9.1)
L3	151 (62.4%)	7.4 (5.3-10.6)
L4	28 (11.6%)	8.0 (5.8-9.7)
Disease behavior
B1	139 (57.4%)	8.5 (5.8-12.4)	0.047
B2	97 (40.1%)	7.5 (6.1-10.0)
B3	6 (2.5%)	5.1 (4.5-6.7)
P	69 (28.5%)	8.7 (6.2-13.5)
UC ()
Disease extension
E1	41 (19.4%)	12.8 (8.9-15.1)	0.001
E2	57 (27.0%)	10.7 (8.1-14.3)
E3	113 (53.6%)	8.1 (5.6-11.6)