From: Design and validation of a German version of the GSRS-IBS - an analysis of its psychometric quality and factorial structure
subsample
n
age (years)
women (percent)
M
SD
IBS patients
65
49
12
58.5
Chronic IBD patients
74
45
15
58.1
Psychosomatic patients
54
8
68.9
Orthopaedic patients and students
188
33
16
64.4
Total
372
41
17
62.6