Improved detection of metastatic lymph nodes in oesophageal squamous cell carcinoma by combined interpretation of fluorine-18-fluorodeoxyglucose positron-emission tomography/computed tomography

Table 2 Comparisons of lymph nodes between benign and malignant groups

	Benign (n = 949)	Malignant (n = 150)	P value
Size by CT (mm)	8.4 ± 3.0 (2.2–22.7)	11.1 ± 4.5 (4.4–36.87)	< 0.001
SUV_max	2.2 ± 1.2 (0.6–8.9)	4.5 ± 3.0 (0.8–16.6)	< 0.001
CT attenuation pattern (visual)			< 0.001
Low attenuation	472	73
Iso attenuation	308	74
High attenuation and/or calcification	169	3
CT attenuation	59.1 ± 66.0	58.2 ± 21.7	0.87

CT computed tomography, SUV_max Maximum standardized uptake value
Data are presented as mean ± standard deviation (min–max), number or mean ± standard deviation

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