Table 5.

P values and the first-order statistical parameters corresponding to biological areas

	Subcutaneous-normal thyroid		Normal thyroid-thyroid nodule area		Thyroid nodule area-tracheal tissue
	t value	p value	t value	p value	t value	p value
Mean	10.53	<0.001	11.61	<0.001	8.41	<0.001
Standard deviation	4.40	<0.001	11.08	<0.001	6.09	<0.001
Skewness	−6.95	<0.001	1.27	0.223	−0.63	0.536
Kurtosis	−2.1	0.056	1.61	0.133	−1.91	0.086
Energy	−5.9	<0.001	−1.39	0.197	−3.73	0.006
Entropy	0.137	0.894	13.79	<0.001	5.43	<0.001