Brief Articles
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jun 7, 2009; 15(21): 2628-2631
Published online Jun 7, 2009. doi: 10.3748/wjg.15.2628
Table 1 Demographic characteristics of patients with a new diagnosis of IBS (n = 97)
Demographic characteristicsnBreath test at screening
Positive (n = 54)Negative (n = 43)
Sex (M/F, mean ± SD)40/57 (40.7 ± 16.2)
IBS variants n (%)
Chronic diarrhoea31 (31.9)19 (35.2)12 (27.9)
Stipsis20 (20.6)11 (20.4)    9 (20.9)
Alternated stipsis/diarrhoea46 (47.5)24 (44.4)22 (51.2)
Symptoms score
Chronic diarrhoea2.2 ± 0.82.2 ± 0.72.1 ± 0.6
Stipsis2.3 ± 0.92.4 ± 0.82.1 ± 0.9
Alternated stipsis/diarrhoea2.0 ± 1.22.3 ± 0.91.7 ± 0.6a