TABLE I.

Characteristics of Study Subjects

	Healthy (n = 10)	Abd pain, no IBD (n = 10)	IBD control (n = 10)	IBD on anti-TNFα (n = 10)
Sex
Male	1	4	6	8
Female	9	6	4	2
Age (Mean ± SD)	34 ± 8 years	26 ± 13 years	23 ± 8 years	33 ± 13 years
Types of IBD
CD	-------------		6	4
UC			4	6
Duration of disease (Average months ± SD)	-------------		23 ± 12	36 ± 12
Severity of disease*	-------------		Remission 6 Mild 3 Moderate 1	Remission 6 Mild 1 Moderate 3
Duration of anti-TNFα use	----------------			28 ± 12 months

CD, Crohn’s Disease; UC, ulcerative colitis.

^*Measured by Physician’s Global Assessment.