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source_9b9f094b45484489
We conducted an AI-assisted structured evidence synthesis with an explicit audit trail, cataloguing each source by design (systematic review/meta-analysis, RCT, or cohort), directness, and effect direction so that cross-domain and direct-versus-indirect conflicts could be traced rather than averaged. Predefined fraily-related thresholds from the literature — for example, the 0.8 m/s gait-speed ma…
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