Correcting and interpreting the effect of cognitive therapy versus exposure in anxiety disorders

<p>Abstract</p> <p>Dr. Ougrin’s evaluation of cognitive therapy versus exposure in anxiety disorders reported a standardised mean difference [SMD] (95% confidence interval [CI]) of 0.52 (0.37, 0.74) for short-term outcomes and 0.46 (0.29, 0.73) for long-term outcomes in social phob...

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Bibliographic Details
Main Authors: Ebrahim Shanil, Bance Sheena
Format: Article
Language:English
Published: BMC 2012-11-01
Series:BMC Psychiatry
Subjects:
Online Access:http://www.biomedcentral.com/1471-244X/12/202
Description
Summary:<p>Abstract</p> <p>Dr. Ougrin’s evaluation of cognitive therapy versus exposure in anxiety disorders reported a standardised mean difference [SMD] (95% confidence interval [CI]) of 0.52 (0.37, 0.74) for short-term outcomes and 0.46 (0.29, 0.73) for long-term outcomes in social phobia, and 0.88 (0.69, 1.11) for short-term outcomes and 1.05 (0.80, 1.37) for long-term outcomes in posttraumatic stress disorder (PTSD). These were incorrectly meta-analysed. Upon re-analysis, we found that the correct SMD (95% CI) was −0.66 (−1.19, -0.14) for short-term outcomes and mean difference (95% CI) of −29.66 (−46.13, -13.19) on the Social Phobia subscale from the Social Phobia Anxiety Inventory for long-term outcomes in Social Phobia. For PTSD, the SMD (95% CI) for short-term outcomes was −0.13 (−0.36, 0.11) and 0.05 (−0.22, 0.32) for long-term outcomes. However, correcting the errors did not change the interpretation of the findings considerably.</p>
ISSN:1471-244X