Abstract：Objective To analyze the writing quality of reports regarding epidemiological survey of 128 COVID-19 confirmed cases in Tianjin Municipality, to understand the problems existing in the epidemiological investigation reports, and to provide scientific evidence for improving the quality of reports concerning survey of emerging infectious diseases. Methods According to the requirements of several editions of New Coronavirus Pneumonia Prevention and Control Program issued by the National Health Commission, the epidemiological investigation process of COVID-19 cases in Tianjin Municipality was formulated and updated in time. 26 core information indicators related to the writing quality were described, and Chi-square test was used to compare the rates and test the trend. Results All the 128 survey reports had seven sections, including the foreword, general information, incidence and visits, epidemiological investigation, specimen collection and laboratory testing, measures taken and suggestions for further work, with the structural integrity rate of 100.00%. 6.25% (8/128) of the reports did not describe the previous medical history, 23.44% (30/128) did not describe the onset of the disease and diagnosis and treatment process in detail, 59.38% (76/128) did not describe the key information about epidemiological investigation in detail, and 71.09% (91/128) did not describe the results of specimen collection and laboratory testing of the cases clearly. Among the reports presented by Baodi District, the number of problems existing in the onset of the disease and diagnosis and treatment process, the key information about epidemiological investigation and the laboratory testing showed a downward trend with time. There was a statistically significant difference in the integrity rate of general information of epidemiological survey reports between the clustered case group and the non-clustered case group (χ2=4.284, P=0.038). Conclusions Establishing the quality management system of investigation reports in response to public health emergencies can improve the quality of epidemiological investigations and reports, and is conducive to the follow-up epidemiological analysis and the formulation of prevention and control measures.
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2021, Vol. 28 
