. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: Clin Gastroenterol Hepatol. 2014 Jan 29;12(9):1468–1473. doi: 10.1016/j.cgh.2014.01.031

Table 1. Age, Sex, and Ethnicity Distribution among IBS Subtypes.

	IBS-C (n = 75)	IBS-D (n = 7)	IBS-M (n = 3)	IBS-U (n = 44)
Age	11.3 ± 2.6^*	11.9 ± 3.1	9.3 ± 2.0	11.5 ± 3.2
Sex
Females (n = 78, 60.5%%)	51 (64.6%)	2 (2.6%)	1 (3.8%)	24 (30.4%)
Males (n = 51, 39.5%)	24 (47.1%)	5 (9.8%)	2 (3.9%)	20 (41.2%)
Race/Ethnicity (%)
Caucasian (n = 89, 69.0%)	51 (57.3%)	4 (4.5%)	1 (1.1%)	33 (37.1%)
Black (n = 22, 17.1%)	14 (63.6%)	1 (4.5%)	2 (9.1%)	5 (22.7%)
Hispanic/Latino (n = 13, 10.1%)	6 (46.2%)	2 (15.4%)	0 (0%)	5 (38.5%)
Asian (n = 4, 3.1%)	3 (75.0%)	0 (0%)	0 (0%)	1 (25.0%)
Multi-racial (n = 1, 0.8%)	1 (100%)	0 (0%)	0 (0%)	0 (0%)

Mean ± SD