Dose-response efficacy of horticultural therapy for geriatric depression: a systematic review and meta-analysis of randomized controlled trials.

Front Public Health · 2026 · PMC13423710 · PMID 42539453

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highly significantno p-value reported

First, the total number of included RCTs was relatively small ( n = 7 after outlier removal), which may limit the statistical power to detect more subtle moderators or a highly significant non-linear-value.

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