Quantitative measurement of contrast enhancement of esophageal squamous cell carcinoma on clinical MDCT

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Apr 28, 2012 (publication date) through Dec 1, 2024

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World Journal of Radiology

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1949-8470

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Radiol. Apr 28, 2012; 4(4): 179-185
Published online Apr 28, 2012. doi: 10.4329/wjr.v4.i4.179

Table 1 Repeatability of measurements of ΔCT₁ in group A and group B (mean ± SD)

Group	Mean differences of replicated measurements			95% Interobserver correlation coefficient
	Differences between two sets of measurements	95% CI of the difference	95% limits of agreement	95% Interobserver correlation coefficient
A (HU)	-0.2 ± 9.03	-17.8 to 17.5	-18.26 to 17.86	0.9913 (0.9817 to 0.9933)
B (HU)	-1.2 ± 12.6	-26 to 23.5	-26.4 to 24	0.9956 (0.9911 to 0.9978)

ΔCT₁: Difference in attenuation value between esophageal tumor and background normal esophagus.

Citation: Li R, Chen TW, Wang LY, Zhou L, Li H, Chen XL, Li CP, Zhang XM, Xiao RH. Quantitative measurement of contrast enhancement of esophageal squamous cell carcinoma on clinical MDCT. World J Radiol 2012; 4(4): 179-185
URL: https://www.wjgnet.com/1949-8470/full/v4/i4/179.htm
DOI: https://dx.doi.org/10.4329/wjr.v4.i4.179