Interobserver Agreement in Semi-Quantitative Scale-Based Interpretation of Chest Radiographs in COVID-19 Patients

Bartosz Mruk; Jerzy Walecki; Piotr Gustaw Wasilewski; Łukasz Paluch; Katarzyna Sklinda

doi:10.12659/MSM.931277

18 July 2021 : Clinical Research

Interobserver Agreement in Semi-Quantitative Scale-Based Interpretation of Chest Radiographs in COVID-19 Patients

Bartosz Mruk^12ABCDEF*, Jerzy Walecki^12ACD, Piotr Gustaw Wasilewski^2BCF, Łukasz Paluch^1CD, Katarzyna Sklinda^12ABDFG

DOI: 10.12659/MSM.931277

Med Sci Monit 2021; 27:e931277

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Table 5 Analysis of the interobserver agreement of CXR assessments of radiographs. The table presents the weighted κ and ICC values for the overall population as well as for individual exam types (PA vs AP) and the patient’s clinical condition as expressed using MEWS scale: Group A (MEWS 0–1), Group B (MEWS 2–3), and Group C (MEWS ≥4).

		CXR
		Exam type		Modified Early Warning Score			Total
		AP X-ray	PA X-ray	0–1	2–3	≥4	Total
κ		0.796	0.846	0.846	0.747	0.724	0.844
		<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
95% CI	UL	0.817	0.849	0.849	0.8	0.792	0.846
95% CI	LL	0.775	0.844	0.843	0.695	0.676	0.841
ICC (3,k)		0.844	0.848	0.848	0.846	0.824	0.847
		<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
95% CI	UL	0.847	0.899	0.849	0.849	0.839	0.848
95% CI	LL	0.839	0.846	0.847	0.741	0.785	0.816

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Interobserver Agreement in Semi-Quantitative Scale-Based Interpretation of Chest Radiographs in COVID-19 Patients

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