[Retracted] Correlation with Spectral CT Imaging Parameters and Occult Lymph Nodes Metastases in Sufferers with Isolated Lung Adenocarcinoma

Table 2

Contrast by venous phase spectral CT parameters with two groups (mean ± SD).

Argument	Metastasis group (n = 1 72)	Nonmetastasis group (n = 180)	T
λHU	2.34 ± 0.05	2.48 ± 0.10	16.495	<0.001
IC	20.04 ± 1.06	22.33 ± 2.03	13.177	<0.001
WC	1027.47 ± 11.50	1025.62 ± 16.21	1.230	0.220
NIC	0.42 ± 0.01	0.46 ± 0.02	23.565	<0.001
NWC	1.01 ± 0.04	1.02 ± 0.06	1.831	0.068
Neff-Z	8.63 ± 0.04	8.72 ± 0.11	10.111	<0.001