OBJECTIVES Various healthcare stakeholders define quality of care in different ways. Public policy could advocate all these concerns. This study was conducted to identify the main themes on patient safety of stakeholders expressed before and after the Patient Safety Act was enacted in Korea in 2015. DESIGN Longitudinal observational study of the interests of healthcare stakeholders generated between January 2014 and September 2018. MATERIALS AND METHODS Text data were collected from 2,487 documents on 18 websites that were identified as representative healthcare stakeholder groups of consumers, providers, government, and researchers. A Korean natural language processing (NLP) package, manual review, and synonym dictionary were used for data preprocessing, and we adopted the unsupervised NLP method of probabilistic topic modeling and latent Dirichlet allocation. A linear trend analysis over time, a qualitative step involving two external experts, and original text reviews were performed to validate the identified topics. RESULTS Forty-one topics were identified, and the most common concerns of stakeholders were institutional infection control as triggered by the Middle East respiratory syndrome outbreak in early 2015, and infusion-related infection from late 2017 until the middle of 2018. The other top-three concerns of the stakeholder groups were highly similar, while research topics were limited to the perceptions of providers and the activities and culture of hospitals. Five topics showed statistically significant increasing trends over time, while another five showed decreasing trends (both P < 0.05). In the qualitative step, we confirmed 35 themes and revised the other 6. CONCLUSIONS A common concern among stakeholders was hospital infection control, ranging from nosocomial infections to those brought in by family visiting patients. Government policies and systemic approaches to patient safety were highlighted by different stakeholders. Researchers were focused on hospital sociocultural factors at both the organizational and clinician levels. These identified concerns all should be advocated by the public health policy.

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医疗保健利益相关者对患者安全的主要关注是什么：基于Web文本的混合方法研究。

目标各种医疗保健利益相关者以不同的方式定义医疗质量。公共政策可以提倡所有这些关注。这项研究旨在确定在2015年韩国颁布《患者安全法》之前和之后表达的利益相关方患者安全的主要主题。设计在2014年1月至2018年9月之间进行了有关医疗利益相关方利益的纵向观察研究。材料与方法从18个网站上的2,487个文档中收集了文本数据，这些文档被确定为代表医疗保健利益相关方的消费者，提供者，政府和研究人员。韩国自然语言处理（NLP）软件包，人工审核和同义词词典用于数据预处理，我们采用了概率词建模和潜在Dirichlet分配的无监督NLP方法。随时间进行线性趋势分析，由两名外部专家进行的定性步骤以及原始文本审阅以验证所确定的主题。结果确定了41个主题，利益相关者最关注的问题是2015年初中东呼吸综合征爆发和2017年末至2018年中与输液相关的感染引发的机构感染控制。利益相关者群体的三个关注点高度相似，而研究主题仅限于提供者的看法以及医院的活动和文化。随着时间的流逝，五个主题显示出统计学上显着的增长趋势，而另外五个则呈下降趋势（均P <0.05）。在定性步骤中，我们确认了35个主题并修订了其他6个主题。结论利益相关者普遍关注的是医院感染控制，从医院感染到家庭探望病人带来的感染。不同利益相关者强调了政府的政策和系统的患者安全方针。研究人员集中于组织和临床医生层面的医院社会文化因素。这些确定的问题都应由公共卫生政策提倡。不同利益相关者强调了政府的政策和系统的患者安全方针。研究人员集中于组织和临床医生层面的医院社会文化因素。这些确定的问题都应由公共卫生政策提倡。不同利益相关者强调了政府的政策和系统的患者安全方针。研究人员集中于组织和临床医生层面的医院社会文化因素。这些确定的问题都应由公共卫生政策提倡。