Key result
Internet-delivered cognitive behavior therapy significantly increased the rate of clinically significant symptom improvement compared to a discussion forum (36% vs 2%, RR 15.36) and generated a societal cost-reduction of $16,806 per successfully treated case.
Why the study?
Does internet-delivered cognitive behavior therapy improve cost-effectiveness compared to a discussion forum in participants with irritable bowel syndrome?
RCT (n=85)
Open-label
Randomized
No
Does internet-delivered cognitive behavior therapy improve cost-effectiveness compared to a discussion forum in participants with irritable bowel syndrome?
Relative Risk: 15.36 (95% CI 2.1–111.1)
Absolute Event Rate: 36% vs 2%
Number Needed to Treat: 2.99
p-value: p=<0.01
Internet-delivered CBT for IBS is cost-effective from a societal perspective, primarily due to reduced work loss.
Supports offering internet-delivered CBT for IBS given symptom gains and societal savings; extends RCT evidence for digital psychological interventions.
BACKGROUND: Irritable Bowel Syndrome (IBS) is highly prevalent and is associated with a substantial economic burden. Cognitive behavior therapy (CBT) has been shown to be effective in treating IBS. The aim of this study was to evaluate the cost-effectiveness of a new treatment alternative, internet-delivered CBT based on exposure and mindfulness exercises. METHODS: Participants (N = 85) with IBS were recruited through self-referral and were assessed via a telephone interview and self-report measures on the internet. Participants were randomized to internet-delivered CBT or to a discussion forum. Economic data was assessed at pre-, post- and at 3-month and 1 year follow-up. RESULTS: Significant cost reductions were found for the treatment group at $16,806 per successfully treated case. The cost reductions were mainly driven by reduced work loss in the treatment group. Results were sustained at 3-month and 1 year follow-up. CONCLUSIONS: Internet-delivered CBT appears to generate health gains in IBS treatment and is associated with cost-savings from a societal perspective.
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Andersson et al. (2011) conducted an RCT in Irritable Bowel Syndrome (IBS) (n=85). Internet-delivered cognitive behavior therapy vs. Discussion forum was evaluated on Clinically significant improvement (50% reduction) on the Gastrointestinal Symptom Rating Scale-IBS version (GSRS-IBS) (RR 15.36, 95% CI 2.1-111.1, p=<0.01). Internet-delivered cognitive behavior therapy significantly increased the rate of clinically significant symptom improvement compared to a discussion forum (36% vs 2%, RR 15.36) and generated a societal cost-reduction of $16,806 per successfully treated case.
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