Efficacy of virtual reality interventions in reducing preoperative anxiety in pediatric patients undergoing general anesthesia: A systematic review and meta-analysis

We conducted a systematic search of the electronic databases PubMed, Embase, and Cochrane Library, with the search period covering from the inception of the databases to June 7, 2025. The complete search strategy is detailed in Supplementary Tables 1-3.A complete list of all outcomes reported in the studies included can be found in Table 4.Detailed information on the risk of bias assessment for these 12 articles is provided in Table 5.The 12 RCT articles included in this study, along with their year of publication, authors, and titles, are shown in Table 6.For the raw data extracted from the 12 articles, see Table 7.本研究对PubMed、Embase及Cochrane Library（考克兰图书馆）三大电子数据库开展系统性检索，检索时限覆盖各数据库建库至2025年6月7日。完整检索策略详见补充表1~3。纳入研究所报告的全部结局指标完整清单见表4。针对本研究纳入的12篇文献的偏倚风险评估详细信息见表5。本研究纳入的12篇随机对照试验（Randomized Controlled Trial, RCT）文献，其发表年份、作者及篇名信息详见表6。从该12篇文献中提取的原始数据详见表7。