The relationship between the severity of pulmonary involvement in the CT scan of patients with Covid-19 and the threshold cycle of SARS-CoV-2

INTRODUCTION: there is no clear relationship between the threshold cycle of COVID-19 and severity of pulmonary involvement in the CT scan of patients. Methods: 254 patients were included. The number of cycle of threshold virus, was extracted. The severity of pulmonary involvement was categorized bas...

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Main Authors: Mahdi Niknazar, Saeid Amel Jamehdar, Majid Khadem-Rezaiyan, zahra ataee
Format: Article
Language:English
Published: Mashhad University of Medical Sciences 2025-03-01
Series:Reviews in Clinical Medicine
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Online Access:https://rcm.mums.ac.ir/article_25708_189eb07b2f47a66a45e23039c60b04c5.pdf
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author Mahdi Niknazar
Saeid Amel Jamehdar
Majid Khadem-Rezaiyan
zahra ataee
author_facet Mahdi Niknazar
Saeid Amel Jamehdar
Majid Khadem-Rezaiyan
zahra ataee
author_sort Mahdi Niknazar
collection DOAJ
description INTRODUCTION: there is no clear relationship between the threshold cycle of COVID-19 and severity of pulmonary involvement in the CT scan of patients. Methods: 254 patients were included. The number of cycle of threshold virus, was extracted. The severity of pulmonary involvement was categorized based on the percentage of involvement of each lobe Based on CT scan. The relationship between the CT number and the involvement in the CT scan, was measured.Results: 254 patients with COVID-19 such as 158 (62.2%) men and 96 (37.8%) women with a mean age and standard deviation of 17.785 ± 60.99 years. The average threshold cycle (CT Value) is 5.912 ± 19.38 and it’s minimum and maximum are 9 and 36. The percentage of right lung involvement was 29.7±46.7% and the percentage of left lung involvement was 29.8±47.8%. The number of people without conflict is 6 (2.4) %, with mild conflict 39 (15.4) %, moderate 65 (25.6%) and severe 144 (56.7%). The number of people without involvement of the right lobe is 11 (4.3%), score 1, 42 (16.5%), score 2, 75 (29.5%), score 3, 51 (20.1%), involvement Score 4, 75 (29.5%).The number of people without left lobe involvement is 12 (4.7%), score 1, 46 (18.1%), score 2, 71 (28%), score 3, 48 (18.9%), involvement Score 4, 77 (30.3%) .Conclusion: With the increase of lung involvement, the amount of threshold cycle has decreased, which can indicate the inverse relationship of threshold cycle with the severity of disease involvement.
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spelling doaj-art-52c29a40bcfb4e50b3d4aec96bc7b1a32025-08-20T03:17:27ZengMashhad University of Medical SciencesReviews in Clinical Medicine2345-62562345-68922025-03-011211710.22038/rcm.2025.82951.151125708The relationship between the severity of pulmonary involvement in the CT scan of patients with Covid-19 and the threshold cycle of SARS-CoV-2Mahdi Niknazar0Saeid Amel Jamehdar1Majid Khadem-Rezaiyan2zahra ataee3Mashhad University of Medical Sciences, Mashhad, IranAntimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, IranDepartment of Community Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, IranDepartment of Internal Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, IranINTRODUCTION: there is no clear relationship between the threshold cycle of COVID-19 and severity of pulmonary involvement in the CT scan of patients. Methods: 254 patients were included. The number of cycle of threshold virus, was extracted. The severity of pulmonary involvement was categorized based on the percentage of involvement of each lobe Based on CT scan. The relationship between the CT number and the involvement in the CT scan, was measured.Results: 254 patients with COVID-19 such as 158 (62.2%) men and 96 (37.8%) women with a mean age and standard deviation of 17.785 ± 60.99 years. The average threshold cycle (CT Value) is 5.912 ± 19.38 and it’s minimum and maximum are 9 and 36. The percentage of right lung involvement was 29.7±46.7% and the percentage of left lung involvement was 29.8±47.8%. The number of people without conflict is 6 (2.4) %, with mild conflict 39 (15.4) %, moderate 65 (25.6%) and severe 144 (56.7%). The number of people without involvement of the right lobe is 11 (4.3%), score 1, 42 (16.5%), score 2, 75 (29.5%), score 3, 51 (20.1%), involvement Score 4, 75 (29.5%).The number of people without left lobe involvement is 12 (4.7%), score 1, 46 (18.1%), score 2, 71 (28%), score 3, 48 (18.9%), involvement Score 4, 77 (30.3%) .Conclusion: With the increase of lung involvement, the amount of threshold cycle has decreased, which can indicate the inverse relationship of threshold cycle with the severity of disease involvement.https://rcm.mums.ac.ir/article_25708_189eb07b2f47a66a45e23039c60b04c5.pdfthreshold cyclecovid-19 virusseverity of pulmonary involvementct scan
spellingShingle Mahdi Niknazar
Saeid Amel Jamehdar
Majid Khadem-Rezaiyan
zahra ataee
The relationship between the severity of pulmonary involvement in the CT scan of patients with Covid-19 and the threshold cycle of SARS-CoV-2
Reviews in Clinical Medicine
threshold cycle
covid-19 virus
severity of pulmonary involvement
ct scan
title The relationship between the severity of pulmonary involvement in the CT scan of patients with Covid-19 and the threshold cycle of SARS-CoV-2
title_full The relationship between the severity of pulmonary involvement in the CT scan of patients with Covid-19 and the threshold cycle of SARS-CoV-2
title_fullStr The relationship between the severity of pulmonary involvement in the CT scan of patients with Covid-19 and the threshold cycle of SARS-CoV-2
title_full_unstemmed The relationship between the severity of pulmonary involvement in the CT scan of patients with Covid-19 and the threshold cycle of SARS-CoV-2
title_short The relationship between the severity of pulmonary involvement in the CT scan of patients with Covid-19 and the threshold cycle of SARS-CoV-2
title_sort relationship between the severity of pulmonary involvement in the ct scan of patients with covid 19 and the threshold cycle of sars cov 2
topic threshold cycle
covid-19 virus
severity of pulmonary involvement
ct scan
url https://rcm.mums.ac.ir/article_25708_189eb07b2f47a66a45e23039c60b04c5.pdf
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