Community-based assisted screening for mild cognitive impairment using gait and handwriting kinematic parameters analysis

Table 2 Comparison of gait kinematic parameters between groups, mean ± SD/M (QR)

Parameters	MCI group (n = 34)	CN group (n = 61)	t/Z	P value
Ambulation time	25.08 ± 7.55	22.77 ± 7.77	-1.402	0.164
Velocity	84.55 (23.83)	93.30 (25.35)	-2.911	0.004
Cadence	106.50 ± 11.51	110.91 ± 9.05	2.060	0.042
Step time	0.57 (0.08)	0.54 (0.06)	-1.825	0.068
Step length	47.92 ± 6.42	52.56 ± 8.12	2.863	0.005
Cycle time	1.14 ± 0.12	1.09 ± 0.09	-2.274	0.025
Stride length	95.48 ± 13.35	105.52 ± 16.71	3.005	0.003
HH base support	11.24 (4.51)	10.72 (4.30)	-1.475	0.140
Swing time	0.40 ± 0.04	0.40 ± 0.03	-0.451	0.653
Stance time	0.73 (0.13)	0.69 (0.07)	-2.376	0.018
Double support time	0.32 (0.09)	0.28 (0.08)	-2.717	0.007
Stride length variability	3.25 (1.43)	3.13 (1.10)	-0.679	0.497
Swing time variability	0.02 (0.01)	0.02 (0.01)	-1.658	0.097
Double support time variability	0.03 (0.01)	0.02 (0.01)	-2.614	0.009

MCI: Mild cognitive impairment; CN: Cognitively normal.