Review Article
Psychological Therapies in Patients with Irritable Bowel Syndrome: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Table 3
Subgroup analysis.
| Subgroup | SMD | Lower limit | Upper limit | Interaction test |
| Risk of bias: high versus low | Outcome: IBS composite symptoms severity scales | High | | | | value = 0.79 | Low | | | |
| Intervention: CBT versus other forms of psychotherapy | Outcome: IBS composite symptoms severity scales | CBT | | | | value = 0.56 | Other | | | | Outcome: quality of life scales | CBT | 0.74 | 0.49 | 0.99 | value = 0.15 | Other | 0.50 | 0.28 | 0.72 |
| Control group: received medication versus no medication | Outcome: IBS composite symptoms severity scales | Yes | | | | value = 0.75 | No | | | | Outcome: quality of life scales | Yes | 0.58 | 0.31 | 0.85 | value = 0.80 | No | 0.62 | 0.39 | 0.86 |
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SMD: standardized difference in means; IBS: irritable bowel syndrome; CBT: cognitive behavioral therapy.
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