COVID-19 and Cardiac Troponin
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Questions and Answers

What was the percentage of hospitalized COVID-19 patients with elevated cardiac troponin?

  • 12.9% (correct)
  • 9.3%
  • 25.6%
  • 16.7%

What was the average age of patients with elevated cardiac troponin compared to those without?

  • 68 years vs. 50 years
  • 58 years vs. 62 years
  • 64 years vs. 55 years (correct)
  • 60 years vs. 58 years

What was the percentage of severe COVID-19 illness (SpO2 < 90%) in patients with elevated cardiac troponin?

  • 96.4%
  • 88.7%
  • 93.5% (correct)
  • 80.2%

What was the difference in arterial oxygen saturation (SpO2) between patients with elevated cardiac troponin and those without?

<p>80% vs. 88% (A)</p> Signup and view all the answers

What was the difference in PaO2/FiO2 ratio between patients with elevated cardiac troponin and those without?

<p>Lower in patients with elevated troponin (D)</p> Signup and view all the answers

What were the differences in total leukocyte counts (TLC) between patients with elevated cardiac troponin and those without?

<p>Elevated in patients with elevated troponin (C)</p> Signup and view all the answers

What were the differences in liver enzyme levels between patients with elevated cardiac troponin and those without?

<p>Higher in patients with elevated troponin (D)</p> Signup and view all the answers

What were the differences in serum creatinine levels between patients with elevated cardiac troponin and those without?

<p>Higher in patients with elevated troponin (C)</p> Signup and view all the answers

What were the differences in N-terminalPro Brain natriuretic peptide levels between patients with elevated cardiac troponin and those without?

<p>Higher in patients with elevated troponin (B)</p> Signup and view all the answers

What were the differences in d-dimer levels between patients with elevated cardiac troponin and those without?

<p>Higher in patients with elevated troponin (B)</p> Signup and view all the answers

What was the percentage of patients with elevated cardiac troponin who were admitted to the intensive care unit?

<p>90.3% (A)</p> Signup and view all the answers

What was the percentage of patients with elevated cardiac troponin who were on a ventilator?

<p>61.3% (B)</p> Signup and view all the answers

What was the percentage of patients with elevated cardiac troponin who had higher mortality?

<p>64.5% (B)</p> Signup and view all the answers

What was the reference range of the test to measure cardiac troponin I (cTnI)?

<p>0.1–50.0 µg/L (D)</p> Signup and view all the answers

What was the within-run precision of the test to measure cTnI?

<p>10% (A)</p> Signup and view all the answers

What was the between-run precision of the test to measure cTnI?

<p>15% (A)</p> Signup and view all the answers

What type of assay was used to measure cardiac troponin I (cTnI)?

<p>Immunofluorescence-based assay (C)</p> Signup and view all the answers

How was the cardiac troponin I (cTnI) measured in the whole blood sample, plasma, or serum?

<p>Fluorescence immunochromatography technique (A)</p> Signup and view all the answers

What statistical analysis was used to determine the association between elevated cardiac troponin and in-hospital mortality?

<p>Multivariable Cox regression analysis (C)</p> Signup and view all the answers

How were the data analyzed in the study?

<p>SPSS V.21 and R software (A)</p> Signup and view all the answers

What was the within-run precision of the cardiac troponin I test?

<p>10% (C)</p> Signup and view all the answers

What was the lower detection limit of the cardiac troponin I test?

<p>$ extless$0.1 µg/L (A)</p> Signup and view all the answers

What percentage of the study population had elevated cTnI levels?

<p>13% (B)</p> Signup and view all the answers

What was the median age of the study population?

<p>56.5 years (B)</p> Signup and view all the answers

What percentage of patients with elevated troponin were on a ventilator?

<p>61.3% (C)</p> Signup and view all the answers

What was the reference range of the cTnI test?

<p>0.1–50.0 µg/L (B)</p> Signup and view all the answers

What was the mortality rate of patients with elevated troponin?

<p>64.5% (B)</p> Signup and view all the answers

What type of analysis was used to identify the association between elevated cardiac troponin and in-hospital mortality?

<p>Multivariable Cox regression analysis (A)</p> Signup and view all the answers

What software was used to analyze the data?

<p>SPSS V.21 and R software (B)</p> Signup and view all the answers

How many patients were included in the study?

<p>240 (D)</p> Signup and view all the answers

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