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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Neurogastroenterol Motil. 2011 Aug 24;23(11):995–e458. doi: 10.1111/j.1365-2982.2011.01772.x

Table I.

Demographics and Genotypes of All Participants

Group Healthy IBS-Alt IBS-C IBS-D
Genotype TC/CC TT TC/CC TT TC/CC TT TC/CC TT
N 154 76 55 29 108 49 112 61
Gender n (%F) 108(70) 54(71) 51(93) 26(90) 106(98) 44(89) 90(80) 52(85)
Mean(±SEM) Age 37 ± 1 36 ± 2 41 ± 2 40 ± 2 46± 1 44 ± 2 45 ± 1 46 ± 2