Strengths and limitations The strengths of this review include the pooled risk ratios that are highly significant and clinically important; fairly consistent effect sizes across trials; homogeneity of the TEAS protocols; and overall high validity of the trials, as well as robustness of the results to sensitivity analyses on the effects of study validity variables.
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Transcutaneous electrical acupoint stimulation for the prevention of perioperative neurocognitive disorders in geriatric patients: A systematic review and meta-analysis of randomized controlled trials.
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