Evidence Review Methods
Eligible reviews synthesised randomised controlled trials or quasi-experimental studies. GRADE certainty ratings were extracted from original systematic reviews and were not reassessed. Methodological quality was assessed using AMSTAR 2. T…
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Eligible reviews synthesised randomised controlled trials or quasi-experimental studies. GRADE certainty ratings were extracted from original systematic reviews and were not reassessed. Methodological quality was assessed using AMSTAR 2. The review protocol was registered in PROSPERO as CRD42024531100. The search included major databases and trial registries, with studies indexed up to 12 January 2026.