Research LettersFrom effect size into number needed to treat
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Psychological treatment of adult depression in primary care compared with outpatient mental health care: A meta-analysis
2023, Journal of Affective DisordersPsychological treatment of depression in institutional settings: A meta-analytic review
2021, Journal of Affective DisordersCitation Excerpt :In addition, we calculated the prediction interval, which indicates the range in which the true effect size of 95% of all populations will fall. Numbers-needed-to-be-treated (NNT) were calculated using the formula provided by Furukawa (1999), in which the event rate of the control group was set conservatively at 19% (based on the pooled response rate of 50% reduction of symptoms across trials in psychotherapy for depression) (Cuijpers, et al., 2014). We tested for publication bias by inspecting the funnel plot on primary outcome measures and by Duval and Tweedie's trim and fill procedure (Duval & Tweedie, 2000) as implemented in CMA, which yields an estimate of the effect size after the publication bias has been taken into account.
Transdiagnostic treatment of depression and anxiety: a meta-analysis
2023, Psychological MedicineDoes the use of pharmacotherapy interact with the effects of psychotherapy? A meta-analytic review
2023, European Psychiatry
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