<b>Correlation between </b>Medical Research Project of Sichuan Province, No. S20037<b> and perioperative neurocognitive disorders in patients undergoing non-cardiac surgery: A retrospective cohort study</b>

This retrospective analysis included 687 inpatients who underwent 24-hour dynamic electrocardiogram examination in our six departments from January 2021 to January 2022. The structure of the dataset is in tabular form and includes basic information about the subjects of the study, comorbidities, postoperative outcomes, and 24-hour dynamic electrocardiogram results. The dataset has great potential for reuse in data analysis. We have anonymized the subjects, so there are no ethical issues.