Kinematic Evaluation via Inertial Measurement Unit Associated with Upper Extremity Motor Function in Subacute Stroke: A Cross-Sectional Study

Table 3

Multivariable regression analysis of the kinematic metrics against the clinical assessments (n = 37).

Independent variables	Unstandardized coefficient β	Standard error	Partial unique correlations	value of the variable	Adjusted R^2 (model value)
FMA-UE as dependent variable					0.55 (<0.01)
Constant	11.91	2.59	—	<0.01
VM	17.81	2.90	0.74	<0.01
NIJ	1.05	0.68	0.25	0.13
ARAT as dependent variable					0.51 (<0.01)
Constant	1.50	4.11	—	0.72
VM	28.84	4.61	0.73	<0.01
MBI as dependent variable					0.32 (0.01)
Constant	32.57	12.23	—	0.19
VM	28.93	7.09	0.57	<0.01
MT	15.70	10.05	0.26	0.13

FMA-UE, Fugl-Meyer Assessment for Upper Extremity; ARAT, action research arm test; MBI, Modified Barthel Index; MT: movement time; VM: mean velocity; NIJ: normalized integrated jerk. : P < 0.05.