Supplementary materials: A real world cost-minimization analysis comparing the use of different endoscopic staplers in video-assisted thoracic surgery lobectomy procedures

These are peer-reviewed supplementary tables for the article 'A real world cost-minimization analysis comparing the use of different endoscopic staplers in video-assisted thoracic surgery lobectomy procedures' published in the Journal of Comparative Effectiveness Research.
Supplementary Table 1. Patient baseline characteristics between Type A and Type B groups.Supplementary Table 2. Difference in costs between hypertensive and non-hypertensive patients.Summary: Aim: China’s cost-containment measures increasingly focus solely on the prices of consumable medical supplies without taking a broader perspective on differences in features and overall costs. This study compared two types of endoscopic staplers in video-assisted thoracoscopic surgery (VATS) lobectomy. Materials & methods: Electronic medical records for video-assisted thoracoscopic surgery from 2016 to 2017 were collected from a hospital in Anhui province. Two cohorts were retroactively defined based on stapler type. Total costs were compared using a cost-minimization analysis model. Probabilistic sensitivity analysis was performed. Results: In the base case, the group using more expensive staplers achieved overall cost savings of about $300 per procedure. Sensitivity analysis confirmed this result in 86.5% of cases. Conclusion: A price-only supply selection strategy may have unintended cost consequences.

本数据集为发表于《比较效果研究期刊》（Journal of Comparative Effectiveness Research）的论文《比较胸腔镜肺叶切除术不同内镜吻合器（endoscopic staplers）应用的真实世界成本最小化分析》的同行评议补充附表。
补充表1：A型组与B型组患者基线特征
补充表2：高血压患者与非高血压患者的成本差异
【研究概况】
研究目的：我国当前的医疗费用管控措施愈发仅聚焦于医用耗材的单品定价，未从耗材特性差异与整体全周期成本的更广阔视角开展系统性考量。本研究针对胸腔镜手术（video-assisted thoracoscopic surgery, VATS）肺叶切除术中的两类内镜吻合器应用效果展开对比分析。
材料与方法：研究收集了安徽省某医院2016至2017年的胸腔镜手术电子病历数据，依据所使用的吻合器类型回溯性划分两个队列；采用成本最小化分析模型对比两组总医疗成本，并开展概率敏感性分析。
研究结果：基础案例分析显示，使用单价更高吻合器的队列单台手术可实现约300美元的整体成本节约；敏感性分析验证表明，该结果在86.5%的模拟场景中成立。
研究结论：仅以单品价格作为医用耗材遴选标准的策略，可能引发意料之外的成本增加后果。