Table 4.

Differences in gait measures between cognitively healthy individuals and MCI subtypes

	Preferred speed (m/s)		Fast speed (m/s)		WSR (m/s)		WSR (%)
	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Cognitively healthy (n = 321)	1.12	0.19a,b	1.70	0.25a	0.58	0.19a	0.53	0.22
MCI amnestic (n = 59)	1.10	0.14b	1.63	0.22	0.54	0.18	0.50	0.18c
MCI non-amnestic (n = 169)	1.04	0.21	1.55	0.32	0.51	0.20	0.50	0.22b
MCI multi-domain (n = 23)	0.94	0.24	1.51	0.31	0.56	0.19	0.63	0.25
Unadjusted model	p < 0.001		p < 0.001		p = 0.002		p = 0.03
Adjusted model	F (3565) = 5.63; p ≤ 0.001		F (3565) = 7.29; p ≤ 0.001		F (3565) = 3.14; p = 0.02		F (3565) = 3.06 p = 0.03

Adjusted for age, sex, education

WSR walking speed reserve, MCI mild cognitive impairment

^aDifferent to the non-amnestic group (p < 0.05)

^bDifferent to multi-domain (p < 0.05)

^cDifferent to mult-domain (p = 0.05)