Table 2. Radiomic and Haralick texture features compared between low-grade and high-grade mucoepidermoid carcinoma.

Image feature	Low-grade	High-grade	P value
Surface regularity	0.50±0.09	0.44±0.08	0.19
Intensity	89±46	79±37	0.65
Standard deviation of intensity	34±19	48±48	0.41
Energy	0.55±0.05	0.50±0.04	0.06
Contrast	3.4±1.4	2.9±1.2	0.48
Mean correlation	0.81±0.09	0.86±0.06	0.19
Variance	41±11	38±7	0.30
Homogeneity	0.93±0.03	0.94±0.02	0.48
Sum average	11±3	10±2	0.58
Sum variance	144±43	135±26	0.57
Sum entropy	0.76±0.07	0.81±0.06	0.12
Entropy	1.16±0.11	1.23±0.11	0.24
Difference variance	3.3±1.3	2.8±1.2	0.48
Difference entropy	0.24±0.07	0.22±0.07	0.50
Information measure I of correlation	−0.58±0.13	−0.66±0.11	0.20
Information measure II of correlation	0.77±0.07	0.83±0.04	0.08
Maximum correlation coefficient	0.81±0.09	0.86±0.06	0.14

Data are mean ± standard deviation.