Analysis of Time Series Trends for Cardiac and Respiratory Visits to the Emergency Medical Center of Urmia City

Background & Aims:The increase and decrease in the number of emergency department visits is one of the challenges in the healthcare sector, which makes it difficult to plan for providing optimal services to patients.Several factors, such as demographic changes, air pollution, and pandemics such as COVID-19, can affect the trend of visits.The aim of this study is to examine the time series trend of cardiac and respiratory visits to the emergency department in Urmia. Materials & Methods:In this cross-sectional study, data recorded at the 115 Emergency Center of Urmia were collected from the beginning of April 2019 to the end of October 2024.All cardiac and respiratory visits to the Urmia Emergency Department during this period were included in the study.The collected data were analyzed using SPSS version 22, MINITAB version 16, and SAS version 9.2 software. Results:The average number of visits to the Urmia emergency department for cardiac causes per month was 470.37 ± 59.89, and for respiratory causes, it was 491.51 ± 453.97Time series analysis showed no significant trend in the increase or decrease in visits, and no seasonal changes were observed during the 67-month study period (p < 0.05). Conclusion:The results of this study showed that emergency visits due to cardiac and respiratory diseases did not increase during the study period, and no seasonal changes were observed.However, factors such as the increase in the average age of the population, air pollution, and the COVID-19 pandemic may play a role in future changes in these visits, warranting more detailed studies.