Özet:

In this study, it was aimed to apply the meta-analysis method of the results obtained from the published studies to provide a more precise Covid-19 detection by examining the results of ground glass opacity (GGO) and consolidation, which are the most common imaging findings in chest computed tomography (CT). Published peer-reviewed articles reporting the image characteristics of real-time reverse transcription–polymerase chain reaction (rRT-PCR) positive cases and confirming Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-Cov-2) infection were included in the study. The study type of articles were case series, retrospective or prospective cohort studies. The studies under the scope of the research were reached from the National Library of Medicine, the research network for a Secure Australia (RNSA) and The Science Direct databases by searching the keywords Covid-19, SARS-Cov-2, computed chest tomography, Consolidation and GGO. As a result of the search terms, in total 310 articles were collected from three databases and articles were scanned, 250 articles were removed due to lack of GGO and Consolidation information, 24 studies were eliminated due to study type, 7 studies were unsuitable for day criteria, and 9 studies were eliminated due to missing and incorrect data. After all, 20 studies were included in our meta-analysis study. In the positive CT findings, it is known that the GGO is present for up to 5 days, the GGO turns into consolidation on the fifth and the following days, and according to the analysis result; for the early stage of Covid-19, the GGO Prevalence is 82% and Consolidation Prevalence is 40%.

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