Altered vasoactive intestinal peptides expression in irritable bowel syndrome patients and rats with trinitrobenzene sulfonic acid-induced colitis

Table 1 Clinical sample demographics

Variable	Overall(n = 24)	IBS patients(n = 12)	Healthy controls(n = 12)	P value
Gender n (%)
Male	11 (45.8)	5 (41.7)	6 (50)	-
Female	13 (54.2)	7 (58.3)	6 (50)	-
Race (n)
Caucasian	24	12	12	-
Age	28.00 ± 7.54	26.67 ± 7.29	29.33 ± 7.87	0.40
Range (yr)	(22.00-45.00)	(14.00-44.00)	(23.00-45.00)
BMI	25.43 ± 5.92	25.23 ± 4.18	25.64 ± 7.46	0.87
Range (kg/m²)	(18.82-43.22)	(20.19-35.07)	(18.82-43.22)