虚假针对初级失眠的安慰剂效应:随机对照试验的元分析
Bo Jiang1, Yi-Nan Wang1, Jun Zhang2
1School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
Journal of sleep research
|February 15, 2026
概括
假显示了对初级失眠的显著安慰剂效应,改善了睡眠质量得分. 然而,客观的睡眠测量,如多睡眠学,并没有显示出显著的变化,这表明这种影响主要是心理上的.
科学领域:
- 整合和补充医学是整合和补充医学.
- 睡眠医学 睡眠医学
- 临床研究方法论 临床研究方法论
背景情况:
- 主要失眠是一种普遍的睡眠障碍.
- 针是一种常见的治疗方法,但它的具体效果与安慰剂相比仍有争议.
- 假的控制对于隔离真正的治疗效果至关重要.
研究的目的:
- 系统地审查和对初级失眠的假进行随机对照试验 (RCT) 的元分析.
- 为了量化虚假针的安慰剂效应大小.
- 在假研究中确定影响安慰剂效应的因素.
主要方法:
- 按照PRISMA指南进行系统的文献审查和元分析.
- 在多个数据库中搜索了与初级失眠患者假疗法的疗效进行比较的RCT.
- 包括36个RCT在选4348项研究后;使用Cochrane工具评估偏差风险.
主要成果:
- 假针显著降低了匹兹堡睡眠质量指数 (PSQI) 的得分 (WMD = 1.38,95% CI = 0.90-1.86).
- 假针也显著降低了失眠严重性指数 (ISI) 的得分 (WMD = 2.58,95% CI = 1.46-3.69).
- 在多睡眠学或动图学测量中没有观察到显著的变化.
结论:
- 虚假针在初级失眠的临床试验中显示出了显著的安慰剂效应.
- 观察到的安慰剂效应主要影响主观睡眠质量测量.
- 假中安慰剂效应的程度取决于所使用的特定假技术.
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