Link of gray matter volume to cognitive and motor function in elderly patients with mild cognitive impairment

Table 4 Partial correlation analysis of inter-group gray matter volume differences and gait parameters

Gait parameter	ROI1	ROI2	ROI3	ROI4	ROI5	ROI6	ROI7
TUG	0.102	-0.051	0.205	0.239	-0.068	-0.102	0.210
D-TUG	-0.104	-0.080	-0.008	-0.003	0.011	-0.206	-0.067
BBS	0.152	0.068	-0.294	0.008	0.201	-0.004	0.131
Step length	-0.035	0.094	-0.235	0.105	0.244	0.121	0.205
Leg speed	0.275	0.116	-0.140	0.026	0.401a	0.265	0.159
Step frequency	-0.131	0.031	0.254	-0.301	0.005	-0.061	0.044

^aP < 0.05.

The values in the table are partial correlation analysis coefficient. ROI: Region of interest; TUG: Time Up and Go Test; D-TUG: Dual Task of Time Up and Go Test; BBS: Berg Balance Scale.