Cognitive-behavioral therapy for the management of irritable bowel syndrome

Table 3 Randomized controlled trials reviewed by Palsson et al[51] (not including the trials described in Tables 1 and 2)

Ref.	Country	Sample size	Psychological therapy used
Lynch et al[52]	Canada	21	CBT
Heymann-Monnikes et al[53]	Germany	20	CBT
Sanders et al[54]	United States	28	CBT
Hunt et al[55]	United States	54	CBT
Moss-Morris et al[56]	England	64	CBT
Craske et al[40]	United States	110	CBT
Ljotsson et al[57]	Sweden	195	CBT
Ljotsson et al[58]	Sweden	61	CBT
Oerlemans et al[59]	The Netherlands	75	CBT

CBT: Cognitive-behavioral therapy.