METHODS: After obtaining ethical approval and written informed consent, 25 postoperative patients were asked to quantify their level of pain on a numeric rating scale (NRS, 0-10) at different time points in the recovery room.

 
  • 方法:在获得伦理批准及知情同意后,恢复室中25名术后患者被要求在数值评分量表(NRS,0-10)上量化他们各时间点的疼痛程度。
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