School of Nursing Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
Center for Evidence-Based and Translational Medicine Zhongnan Hospital of Wuhan University Wuhan 430071 China;
Department of Evidence-Based Medicine and Clinical Epidemiology The Second Clinical College of Wuhan University Wuhan 430071 China;
Center for Evidence-Based and Translational Medicine Wuhan University Wuhan 430071 China;
Emergency Department Tianjin Taida Hospital Tianjin 300457 China;
Library of Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
nonpharmacological intervention; mild cognitive impairment; systematic review methodology; evidence evaluation; evidence synthesis;