Women with knee osteoarthritis have more pain and poorer function than men, but similar physical activity prior to total knee replacement

Table 3 Pain regression (dependent variable was pain with gait speed 0 to 20 NRS)

Predictor variable	β	Standard error	P value
All subjects:
Pain at rest	0.400	0.096	< 0.001
Knee extension	0.193	0.057	0.001
State anxiety	0.075	0.042	0.081
PPT	-0.005	0.002	0.024
	F value	Significance	Model fit
Overall model	12.713	< 0.001	R² = 0.241
Women:
Pain at rest	0.421	0.103	< 0.001
Knee extension	0.243	0.062	< 0.001
PPT	-0.010	0.004	0.018
Women only model	15.295	< 0.001	R² = 0.267
Men:
Pain at rest	0.422	0.151	0.007
PPT	-0.005	0.003	0.086
Men only model	6.408	0.003	R² = 0.181

ISSN: 2042-6410