Table 4.

Regression coefficient summary for independent variables included in multivariate regression models for gait characteristic dependent variables in symptomatic patients with peripheral artery disease

Dependent variables	Predictors	Regression coefficient	95 % confidence interval	Partial R 2	p value
Gait speed (m/s)	Age	−0.0073	−0.0104 to −0.0042	0.0993	<0.001
	ICAM-1	−0.0001	−0.0001 to 0.0000	0.0634	<0.001
	Diabetes	−0.0921	−0.1517 to −0.0326	0.0431	0.003
	Sex	0.0891	0.0306 to 0.1475	0.0419	0.003
	CVA	−0.0897	−0.1658 to −0.0136	0.0250	0.021
	Intercept	1.6388	1.4206 to 1.8571
Gait cadence (strides/min)	HsCRP	−0.2127	−0.2735 to −0.1518	0.1632	<0.001
	Diabetes	−2.5438	−3.9577 to −1.1299	0.0432	0.001
	Hypertension	−3.7805	−1.5482 to −6.0128	0.0383	0.001
	Intercept	51.5478	49.4195 to 53.6760
Gait stride length (m/stride)	HsCRP	−0.0069	−0.0041 to −0.0096	0.1219	<0.001
	Age	−0.0080	−0.0118 to −0.0043	0.0873	<0.001
	ICAM-1	−0.0001	−0.0001 to 0.0000	0.0644	<0.001
	Hypertension	−0.2279	−0.3676 to −0.0882	0.0510	0.002
	Cellular ROS	−0.0045	−0.0013 to −0.0077	0.0374	0.007
	Sex	0.1008	0.0267 to 0.1748	0.0355	0.008
	Intercept	1.8534	1.5787 to 2.1280

Overall model results: gait speed R ² = 0.2327, p < 0.001; gait cadence R ² = 0.2319, p < 0.001; gait stride length R ² = 0.3181, p < 0.001

CVA cerebrovascular accidents, ICAM-1 intercellular cell adhesion molecule-1, HsCRP high-sensitivity C-reactive protein, ROS reactive oxygen species