Support vector machine model for diagnosis of lymph node metastasis in gastric cancer with multidetector computed tomography: a preliminary study

Table 3 AUC of SVM model and radiologist

Model	K-fold	Sensitivity	Specificity	AUC*	P value (AUC compared with Radiologist)
SVM	K1	0.881	0.780	0.862 ± 0.038	0.002
	K2	0.866	0.780	0.866 ± 0.037	<0.001
	K3	0.858	0.805	0.878 ± 0.033	<0.001
	K4	0.933	0.780	0.900 ± 0.031	<0.001
	K5	0.888	0.780	0.876 ± 0.038	<0.001
	mean	0.885	0.785	0.876
Radiologist		0.634	0.756	0.757 ± 0.042

The sensitivity, specificity and AUC of 5-fold cross-validation SVM models and radiologist for diagnosing lymph node metastasis of patient.
* The value of the data was AUC ± standard deviation.

ISSN: 1471-2407