Effects of neuromuscular training (NEMEX-TJR) on patient-reported outcomes and physical function in severe primary hip or knee osteoarthritis: a controlled before-and-after study

Table 5 Influence of baseline demographic factors on change in physical function measures

		Chair stands (sec)	Knee bendings affected leg (n)	Knee bendings non-affected leg (n)	Knee ext affected leg (kg)	Knee ext non-affected leg (kg)	20-m walk test, time (sec)	20-m walk test, steps (n)
		Coefficient	Coefficient	Coefficient	Coefficient	Coefficient	Coefficient	Coefficient
		(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)
Model		n = 86, R ² = 0.76	n = 47, R ² = 0.21	n = 66, R ² = 0.19	n = 86, R ² = 0.17	n = 86, R ² = 0.23	n = 86, R ² = 0.57	n = 86, R ² = 0.69
	Joint (hip vs knee)	0.3(−0.9;1.5)	6.0(1.2;10.7)	3.3(0.3;6.4)	0.5(−0.9;1.9)	1.1(−0.3;2.5)	0.4(−0.5;1.4)	0.6(−0.4;1.6)
	Sex (man vs woman)	0.3(−0.9;1.4)	−1.3(−5.8;3.1)	−2.4(−5.4;0.7)	1.0(−0.6;2.5)	0.7(−0.8;2.3)	0.4(−0.6;1.3)	−0.7(−1.8;0.4)
	Age (y)	0.1(−0.1;0.2)	0.4(−0.2;1.1)	0.1(−0.2;0.5)	−0.2(−0.3;-0.1)	−0.1(−0.2;0.1)	−0.1(−0.2;0.1)	−0.1(−0.2;0.1)
	BMI (kg/m²)	0.0(−0.1;0.2)	−0.3(−0.9;0.3)	−0.2(−0.5;0.2)	0.1(−0.0;0.3)	0.3(0.2;0.5)	0.1(0.0;0.3)	0.2(0.1;0.3)
	Considered TJR (mths)	−0.1(−0.1;-0.0)	0.1(−0.2;0.3)	−0.0(−0.1;0.1)	−0.0(−0.0;0.0)	0.0(−0.0;0.0)	0.0(−0.0;0.0)	0.0(−0.0;0.0)
	Previous PT training (no vs yes)	−2.1(−3.4;-0.8)	0.8(−4.1;5.5)	1.4(−1.8;4.7)	0.6(−0.9;2.0)	0.6(−0.9;2.1)	−0.8(−1.8;0.3)	−1.1(−2.2;0.0)

All analyses adjusted for baseline HOOS/KOOS pain. The corresponding baseline value adjusted for in the separate analyses.
CI = confidence interval. Confidence intervals not containing zero indicate statistical significance.
PT = physical therapy.

ISSN: 1471-2474