Table 5.

ASD vs. TD classification performance obtained for the Harvard-Oxford atlas. The classification performances are reported in terms of sensitivity, specificity, accuracy and AUC for each site left out as validation set in the cross-validation scheme. The mean and standard deviation of all figures of merit over the four sites are also reported (the mean AUC and its standard deviation are also shown in Table 4).

	L-SVM
	Leave one site out
Classification	KKI	NYU	UCLA	UM	mean ± std
Sensitivity (%)	67	48	83	79	69 ± 16
Specificity (%)	75	83	61	75	74 ± 9
Accuracy (%)	71	63	73	77	71 ± 6
AUC (%)	71	75	72	83	75 ± 5

AUC, area under the ROC curve; std, standard deviation.