Table 2. Allele expressions in controls and IBS patients and IBS subtypes for three SNPs of the CRH-R1 gene.

		Controls	IBS patients				Total
			All	C	M	D
		(n = 142)	(n = 103)	(n = 32)	(n = 31)	(n = 40)	(n = 245)
rs7209436	T allele−	0	4	2	2	0	4
	T allele+	142	99	30	29	40	241
	C allele−	99	79	22	26	31	178
	C allele+	43	24	10	5	9	67
rs110402	A allele−	1	4	2	2	0	5
	A allele+	141	99	30	29	40	240
	G allele−	96	76	21	25	30	172
	G allele+	46	27	11	6	10	73
rs242924	T allele−	0	3	2	1	0	3
	T allele+	142	100	30	30	40	242
	G allele−	105	84	23	27	34	189
	G allele+	37	19	9	4	6	56

IBS subtype: C, constipation; M, mixed; D, diarrhea.