Table 2.

Brain age prediction accuracy using CNN in the test dataset.

Network	FPN	DAN	DMN	SMN	VAN	VN	LN
r	0.87	0.86	0.86	0.75	0.71	0.61	0.61
R2	0.76	0.75	0.73	0.56	0.50	0.37	0.40
MAE (years)	5.55	5.77	6.07	8.26	9.31	10.08	10.31
RMSE	8.37	8.59	8.79	11.36	12.66	14.21	13.96

r, Pearson's correlation coefficient; MAE, mean absolute error; RMSE, the root mean squared error; FPN, Frontoparietal network; DAN, Dorsal Attention network; DMN, Default mode network; SMN, Somatomotor network; VAN, Ventral Attention network; VN, Visual network; and LN, Limbic network.