TABLE 2.

IBD Serologic Expression

	Preoperative Crohn’s Disease (n=17)	Preoperative Ulcerative Colitis (n=261)
pANCA
Positive	10 (59)	146 (58)
Median level	35	30
High-level (>100 EU/ml)	2 (12)	23 (9)
ASCA
IgA+	0	4 (1.5)
IgG+	0	1 (0.4)
Either IgA+ or IgG+	0	3 (1.1)
Both IgA+ and IgG+	0	1 (0.4)
Median level IgA+	0	5
Median level IgG+ anti-OmpC	0	6
Positive	4 (24)	40 (15)
Median level anti-CBirl	11	13
Positive	5 (29)	30 (11)
Median level anti-I2	18	16
Positive	2 (12)	57 (22)
Median level	9	11

All levels expressed as ELISA units/mL.