Table 2.

Classification performance (mean $\pm$ standard deviation) of all feature combination groups

Features	NC vs. PD vs. SWEDD
	ACC (%)	SEN (%)	PREC (%)	FSCORE (%)	AUC (%)
T1G	64.37 $\pm$ 9.13	64.92 $\pm$ 38.77	42.25 $\pm$ 33.86	39.28 $\pm$ 22.72	81.23 $\pm$ 10.13
T1W	61.22 $\pm$ 10.62	57.95 $\pm$ 45.75	27.48 $\pm$ 27.77	30.72 $\pm$ 23.31	71.97 $\pm$ 12.03
DTI	65.52 $\pm$ 10.21	56.00 $\pm$ 36.40	59.77 $\pm$ 35.97	42.68 $\pm$ 20.29	83.32 $\pm$ 9.31
T1C	62.09 $\pm$ 10.17	65.30 $\pm$ 42.05	31.90 $\pm$ 28.25	33.74 $\pm$ 21.39	75.75 $\pm$ 10.08
GCD	67.58 $\pm$ 9.25	58.48 $\pm$ 34.71	54.83 $\pm$ 33.97	45.78 $\pm$ 22.52	81.62 $\pm$ 10.22
WCD	66.35 $\pm$ 10.15	58.05 $\pm$ 32.57	55.80 $\pm$ 32.46	44.67 $\pm$ 18.67	80.24 $\pm$ 10.57
GWCD	67.37 $\pm$ 9.04	61.22 $\pm$ 32.07	54.90 $\pm$ 31.10	47.16 $\pm$ 18.32	82.34 $\pm$ 9.08
GCD $+$ CSF	65.34 $\pm$ 14.78	41.94 $\pm$ 27.54	60.48 $\pm$ 40.32	78.21 $\pm$ 7.25	86.63 $\pm$ 7.11
GCD $+$ DSSM	78.21 $\pm$ 7.25	84.39 $\pm$ 14.45	56.23 $\pm$ 19.99	65.97 $\pm$ 12.86	91.22 $\pm$ 7.91
GCD $+$ CSF $+$ DSSM	78.37 $\mathrm{\pm }$ 8.11	84.70 $\mathrm{\pm }$ 19.29	66.73 $\mathrm{\pm }$ 24.62	70.21 $\mathrm{\pm }$ 18.51	94.20 $\mathrm{\pm }$ 5.56

Boldface denotes best performance.