Detect the disrupted brain structural connectivity in type 2 diabetes mellitus patients without cognitive impairment

Table 4 Performance evaluation for type 2 diabetes mellitus disease duration prediction models

Models	RMSE	Var (RMSE)
Connectivity baseline model	3.03	5.35
Local surface model	4.38	12.20
Local volume model	4.41	8.95
Local baseline model	4.13	8.67
	1.94	2.13

The process of the connection feature selection, as well as the model evaluation metrics were included in the Supplementary material. RMSE: Root mean square error; Var: Variance.