Comparison of Carotid Stenosis Grading by CT Angiography and Doppler Ultrasonography: How the Statistical Methods Applied Influence the Results

Autor:	Samaržija, Kristina, Milošević, Petar, Jurjević, Zoran, Erdeljac, Emilija
Jazyk:	angličtina
Rok vydání:	2021
Předmět:	Carotid stenosis CT angiography Color Doppler ultrasonography Statistical data analysis musculoskeletal neural and ocular physiology cardiovascular diseases Stenoza karotida CT angiografija Obojeni Dopplerov ultrazvuk Statistička analiza podataka psychological phenomena and processes
Zdroj:	Acta clinica Croatica Volume 60. Issue 3.
ISSN:	1333-9451 0353-9466
Popis:	In this study, we compared the measurement of carotid stenosis by computed tomography angiography (CTA) based on the narrowest diameter versus cross sectional area (CSA) with the measurement by color Doppler ultrasonography (CDUS) as a reference standard, and analyzed how the application of different statistical methods affected the result. On 113 carotid arteries with ≥50% stenosis, we quantified the level of correlation among the three measurements, sensitivity, specificity, and differences in the estimated stenosis level. Correlation between both CTA measurements was good with Pearson’s ρ between 0.87 and 0.91 (p U studiji smo usporedili mjerenje stenoze karotida CT angiografijom (CTA) bazirano na najužem promjeru ili površini presjeka žile s mjerenjem kolor dopler ultrazvukom (CDUS) kao referentnim standardom i analizirali kako primjena različitih statističkih metoda utječe na rezultat. Za 113 karotidnih arterija sa stenozom ≥50% odredili smo stupanj korelacije između tri načina mjerenja, osjetljivost, specifičnost te razlike u procijenjenom stupnju stenoze. Korelacija između oba CTA mjerenja bila je dobra s Pearsonovim ρ između 0,87 i 0,91 (p
Databáze:	OpenAIRE
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