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

doi:10.5498/wjp.v15.i9.109478

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Sep 19, 2025 (publication date) through Sep 2, 2025

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World Journal of Psychiatry

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2220-3206

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World J Psychiatry. Sep 19, 2025; 15(9): 109478
Published online Sep 19, 2025. doi: 10.5498/wjp.v15.i9.109478

Table 4 Comparison of Chinese character tasks kinematic parameters between groups, mean ± SD/M (QR)

Parameters	Handwriting with Chinese character tasks
Parameters	MCI group (n = 34)	CN group (n = 61)	t/Z	P value
Tilt angle	-57.08 (9.06)	-54.93 (8.81)	-0.668	0.504
Average pressure	499.05 (213.36)	582.68 (233.95)	-2.135	0.033
Time in air	36336.00 (25185.00)	29228.00 (21512.00)	-1.394	0.163
Single stroke time	352.1 (152.30)	356.65 (160.66)	-0.303	0.762
Single stroke length	8.93 (3.87)	9.09 (5.10)	-0.753	0.451
X-axis stroke length	5.35 (2.53)	5.20 (3.10)	-0.738	0.461
Y-axis stroke length	6.02 (2.66)	6.26 (3.69)	-0.706	0.480
Total single stroke length	791.40 ± 151.25	829.42 ± 175.50	1.062	0.291
Total X-axis stroke length	455.63 ± 99.02	478.62 ± 99.95	1.078	0.284
Total Y-axis stroke length	521.39 (132.81)	557.07 (181.17)	-0.831	0.406
Average velocity	25.93 ± 8.70	27.69 ± 9.31	0.907	0.367
Average velocity in X-axis	17.29 ± 6.17	18.55 ± 6.47	0.919	0.360
Average velocity in Y-axis	21.28 ± 7.44	22.41 ± 7.89	0.680	0.498
Maximum velocity in X-axis	51.57 ± 17.45	55.05 ± 16.51	0.964	0.338
Minimum velocity in X-axis	1.47 (1.63)	1.58 (1.32)	-0.109	0.913
Maximum velocity in Y-axis	61.86 ± 20.04	65.30 ± 20.87	0.781	0.437
Minimum velocity in Y-axis	2.02 (1.55)	1.63 (1.27)	-0.606	0.545
Number of times velocity slows down	6.22 (2.97)	6.07 (3.19)	-0.008	0.994
Average acceleration in X-axis	0.59 (0.30)	0.61 (0.34)	-0.660	0.509
Average acceleration in Y-axis	0.67 (0.45)	0.72 (0.35)	-0.481	0.630
Maximum acceleration in X-axis	1.64 (0.93)	1.78 (0.99)	-1.196	0.232
Minimum acceleration in X-axis	0.08 (0.11)	0.07 (0.09)	-0.124	0.901
Maximum acceleration in Y-axis	1.97 (0.80)	2.08 (1.13)	-1.079	0.281
Minimum acceleration in Y-axis	0.11 (0.14)	0.10 (0.11)	-0.109	0.913
Number of times acceleration slows down	5.60 (3.11)	5.37 (3.07)	-0.093	0.926
Task score	20.00 (0.00)	20.00 (1.00)	-3.078	0.002

MCI: Mild cognitive impairment; CN: Cognitively normal.

Citation: Ren YX, Wu B, Lou JL, Zhu XR, Zhang C, Lang Q, Wei ZQ, Su LM, Qi HN, Wang LN. Community-based assisted screening for mild cognitive impairment using gait and handwriting kinematic parameters analysis. World J Psychiatry 2025; 15(9): 109478
URL: https://www.wjgnet.com/2220-3206/full/v15/i9/109478.htm
DOI: https://dx.doi.org/10.5498/wjp.v15.i9.109478