ABSTRACT
Background and Aim: The process of identifying Covid 19 cases over time (the trend) can provide valuable information about the coverage of diagnostic and screening programs over time. This study aimed to investigate the outpatient trend of Covid-19 in selected comprehensive health service centers of Tehran University of Meical Sciences, Tehran, Iran. Materials and Methods: This was a descriptive cross-sectional study. The data collected inculded the number of referalls and Polymerase Chain Reaction (PCR)-positive individuals between April 13 and December 25, 2020. Central and dispersion indices (mean, median, standard deviation and interquartile range) were used to describe quantitative variables. In addition, linear and bar charts were used to describe the trend of the variables over time. All analyses were performed using the Excel 2016 and SPSS 22 software.