Table 3.

Comparisons between selected texture features in maximum areas of nasopharyngeal carcinomas versus nasopharyngeal malignant lymphomas

	Nasopharyngeal carcinoma	Nasopharyngeal ML
	Mean ± SD	Mean ± SD	p	cut-off	SEN (%)	ACC (%)	AUC
Histogram
Energy	0.131 ± 0.02	0.144 ± 0.02	0.038*	0.130	70.6	69.2	76.7	0.72
GLCM
Energy	0.019 ± 0.02	0.025 ± 0.01	0.017*	0.026	100	46.1	70.0	0.76
Correlation	0.145 ± 0.11	0.087 ± 0.13	0.042*	0.132	70.6	76.9	73.3	0.72
Entropy	1.841 ± 0.09	1.732 ± 0.173	0.013*	1.720	100	46.1	76.7	0.77
NGLDM
Coarseness	0.016 ± 0.001	0.035 ± 0.02	0.003*	0.014	64.7	92.3	76.7	0.82

ML: malignant lymphoma

AUC: the area under the curve

SD: standard deviation

GLCM: gray-level co-occurrence matrix

NGLDM: neighborhood grey-level different matrix

SEN: Sensitivity

SPE: Specificity

ACC: Accuracy

* indicates significant differences.