ArticleTanaffos2024
Association Between CT Finding Changes and Clinical Course in COVID-19 Patients: A Single Center Retrospective Study.
Article in Tanaffos, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
Background: This study aimed to summarize the baseline and radiological characteristics of patients with COVID-19 and investigate the correlation between clinical outcomes and radiological findings in the first week after admission. Materials and Methods: A single-center retrospective study was carried out on confirmed cases of COVID-19 based on RT-PCR and chest CT scan findings according to Iran's National Guidelines for defining COVID-19 in patients admitted to Imam Hossein Hospital, Tehran, Iran. Baseline and chest CT scan characteristics of patients were investigated, and their correlation with the change in clinical outcome was reported. Results: 72 patients (50%) with a mean age of 54.65±16.2 years were in two periods of time including the first day of diagnosis and 6.0±3.4 days later. Based on CT scan Severity Score (CTSS) changes (decrease/no change or increase) during the study, patients were divided into two groups of CTSS progression (n=47) and CTSS no-progression (n=25). Diabetes mellitus (20%) and hypertension (19.1%) were the most frequent comorbidities among the patients in the non-progression and progression groups, respectively. There was no significant difference in demographic features including age and gender, and comorbidities (P>0.05). On the first day of diagnosis, there was no significant difference in blood tests and radiological findings and the number of patients who managed out-patients or in-patients in both groups. However, on the second evaluation day, patients in the progression group had significantly higher CTSS in comparison with the non-progression group (13.11±4.7 vs. 9.48±4.2, P=0.003), and the clinical situation in 15 patients in progression changed from out-patient to in-patient (p=0.033). Only chest CT imaging score was a potential parameter associated with the change in clinical progression (P=0.030, RR=10.18, 95, CI=1.25-89.72). Conclusion: Increasing CTSS is a strong predictor of worsening clinical outcomes during hospitalization in COVID-19 patients.
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