2.6. Ethical considerations
WEST
The hospital ethics committee approved this study. This study was approved by the West China Hospital, Sichuan University ethics committee, number 2019 (728). All participants were thoroughly informed about the voluntary nature of their participation and their right to withdraw from the study at any time. Data collection was only performed after obtaining the participants’ written informed consent. This study is a hospital nursing quality improvement and non-randomized controlled study, so it is not registered. We carefully considered the study questionnaire design, collection, and data analysis stages to protect participants’ privacy. First, we only collected essential basic information anonymously, and no identified personal privacy data was recorded in this study. Second, all researchers were informed and agreed to abide by the confidentiality of the study, and these data would be only used for research analysis.