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

18 July 2021 : Clinical Research

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

Background Material and Methods Results Discussion Conclusions References

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Table 6 Analysis of the interobserver agreement of CXR assessments of radiographs within 6 anatomical lung regions.

		CXR
		LLF	MLF	ULF	LRF	MRF	URF
κ		0.809	0.823	0.817	0.828	0.817	0.828
		<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
95% CI	UL	0.836	0.847	0.849	0.874	0.844	0.849
95% CI	LL	0.783	0.799	0.786	0.806	0.792	0.806
ICC (3,k)		0.829	0.836	0.834	0.839	0.834	0.839
		<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
95% CI	UL	0.836	0.830	0.839	0.843	0.839	0.843
95% CI	LL	0.819	0.841	0.826	0.834	0.826	0.833
LLF – lower left field; MLF – middle left field; ULF – upper left field; LRF – lower right field; MRF – middle right field; URF – upper right field.

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