[Retracted] Diagnostic Value of MRI Combined with CXCR4 Expression Level in Lymph Node Metastasis Head and Neck Squamous Cell Carcinoma

Table 3

Statistical analysis of imaging manifestations of the two groups of patients.

Item		LNM group ()	Non-LNM group ()	/χ^2
Short axis diameter	<5	37	93	92.228	≤0.001
	≥5	124	25
Signal intensity	Uniform	38	99	106.523	≤0.001
	Uneven	133	19
Margins	Regular	53	90	57.259	≤0.001
	Irregular	118	28
Boundaries	Clear	48	89	62.794	≤0.001
	Unclear	123	29
T1WI signal intensity	High intensity	64	48	0.311	0.577
	Low intensity	107	70
T2WI signal intensity	High intensity	107	16	68.612	≤0.001
	Low intensity	64	102
ADC value				−5.949^Δ	≤0.001

Δ: is expressed to perform an independent sample -test, and the statistic was chosen as .