High b-Value Diffusion MRI to Differentiate Recurrent Tumors from Posttreatment Changes in Head and Neck Squamous Cell Carcinoma: A Single Center Prospective Study

Table 3

ADC mean values of suspected areas.

	Value (mean ± SD)	Value (mean ± SD)	value
	Recurrent tumor	Posttreatment changes
ADC1000 (×10^−3 mm^2/s)	1.27 ± 0.22	1.90 ± 0.44	0.001
ADC2000 (×10^−3 mm^2/s)	0.87 ± 0.13	1.08 ± 0.21	0.016
ADC (%)	69.5 ± 9.3	56.8 ± 6.3	0.002