From: Relationship between cognitive appraisals of symptoms and negative mood for subtypes of irritable bowel syndrome
Total
IBS
IBSD
IBSC
Control
N
1087
206
61
45
881
Male/Female
506/576
88/116
39/22
10/34
418/460
Age
19.72 ± 1.76
19.53 ± 1.87
19.90 ± 2.19
19.39 ± 1.43
19.77 ± 1.73