Clinical Trials Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Dec 28, 2016; 22(48): 10631-10642
Published online Dec 28, 2016. doi: 10.3748/wjg.v22.i48.10631
Table 2 Irritable bowel syndrome symptom characteristics n (%)
Placebo (n = 131)Low-dose (n = 129)High-dose (n = 131)
IBS subtype
IBS-C25 (19.1)20 (15.5)20 (15.3)
IBS-D49 (37.4)51 (39.5)52 (39.7)
IBS-M56 (42.7)58 (45.0)58 (44.3)
IBS-U1 (0.8)0 (0.0)1 (0.8)
Postinfectious IBS9 (6.9)4 (3.1)7 (5.3)
Psychological comorbidities9 (6.9)6 (4.7)13 (9.9)
Symptoms provoked by specific food103 (79.8)1116 (89.9)120 (91.6)
Family history of intestinal disorders or diseases95 (72.5)97 (75.2)92 (70.8)2