Functional movement assessment by means of inertial sensor technology to discriminate between movement behaviour of healthy controls and persons with knee osteoarthritis

Table 4 Significant correlations between discriminant joint kinematics and PROMs

Joint ROM	Correlation	KOOS pain	KOOS ADL	TSK
Walk trunk rotation	rho	−0.046	0.053	−0.444
(0–100%)	p-value	0.857	0.834	0.065
Walk pelvis rotation	rho	0.288	0.211	−0.395
(0–39%)	p-value	0.246	0.400	0.104
Walk knee flexion	rho	0.357	0.155	−0.084
(0–33%)	p-value	0.146	0.540	0.740
Walk knee flexion	rho	0.536	−0.008	0.271
(49–92%)	p-value	0.022	0.974	0.277
Forward lunge knee flexion	rho	−0.118	0.055	0.211
(38–62%)	p-value	0.641	0.829	0.400
forward lunge knee flexion	rho	0.305	−0.008	−0.122
(85–97%)	p-value	0.218	0.976	0.629
Sideward lunge hip abduction	rho	0.229	0.169	−0.575
(22–39%)	p-value	0.393	0.531	0.020
Sideward lunge hip abduction	rho	−0.056	− 0.302	− 0.250
(63–85%)	p-value	0.836	0.256	0.351
Sideward lunge knee flexion	rho	0.012	0.078	−0.055
(32–69%)	p-value	0.965	0.774	0.841
Sideward lunge ankle flexion	rho	0.194	−0.169	0.232
(79–85%)	p-value	0.472	0.531	0.387
Single leg squat knee flexion	rho	0.155	0.212	−0.031
(39–59%)	p-value	0.553	0.414	0.905
Ascending stairs knee flexion	rho	0.324	0.225	0.170
(15–41%)	p-value	0.221	0.401	0.529
Descending stairs knee flexion	rho	0.402	0.219	0.496
(12–72%)	p-value	0.123	0.415	0.051

ISSN: 1743-0003