A closer look at the link between cycle threshold, clinical features and biomarkers: An observational study in COVID-19 patients

被引:0
|
作者
Kannuri, Sriram [1 ]
Patil, Rajashri [1 ]
Mukhida, Sahjid [1 ]
Bhaumik, Shalini [1 ]
Gandham, Nageswari [1 ]
机构
[1] Dr DY Patil Vidyapeeth, Dr DY Patil Med Coll Hosp & Res Ctr, Dept Microbiol, Pune 411018, Maharashtra, India
关键词
Biomarkers; clinical features; COVID-19; cycle threshold; C-REACTIVE PROTEIN; D-DIMER; CORONAVIRUS; FERRITIN;
D O I
10.4103/jfmpc.jfmpc_967_23
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background:Symptoms for severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2) appear 2-3 days after exposure to the virus. Being a virus, detection is primarily by polymerase chain reaction as this offers superior sensitivity and specificity. There was a misconception that patients with low cycle threshold (Ct) have severe coronavirus disease (COVID), and for individuals with higher Ct, it is the other way around. The prognosis for COVID was derived from various biomarkers and physicians heavily relied on them.Materials and Methods:A cross-sectional study spanning a duration of 2 years was conducted at a tertiary care centre in western India. A total of 201 individuals were included and the correlation between Ct, clinical features and biomarkers was studied.Results:In the E-gene, 43.28% had lower Ct values and 40.79% had low Ct values in the RdRp gene. 50% of all patients had diabetes, with 60% being between the ages of 61 and 80. 54.1% of hypertension patients belonged to ages between 61 and 80. 90.54% of COVID-positive individuals had lactose dehydrogenase levels ranging from 440 to 760. 79% of patients had a procalcitonin value of more than one but less than six. 79.1% of patients had an erythrocyte sedimentation rate between 36 and 90.Conclusion:Ct value though has a research value; it is a poor prognostic marker when compared to the various biomarkers that have been studied earlier. We cannot conclusively state that all our findings are accurate due to a lack of data but further research into the prognostic value of Ct should be conducted which will help in the ongoing scenario.
引用
收藏
页码:1983 / 1989
页数:7
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