After removing this study, we found a slight reduction in the pooled ES (SMD = -1.25, 95% CI, -1.55 to -0.96), but heterogeneity remained moderate and highly significant ( τ 2 = 0.3, Q (df = 19) = 62.1, P Q < 0.001, I 2 = 69%).
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Psychological interventions for depression and anxiety: a systematic review and meta-analysis of Iranian chronic pain trials.
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The sentences
Between our pre-specified moderators, pain type showed a marginally significant moderation effect explaining 19% of the variation.