Table 2.

Correlations between the volume of reactive synovitis seen on MRI and the clinical outcome measurements

Outcome measurement	Correlation coefficient	p-value
WOMAC
Overall Score	r = 0.104	0.60
Pain Sub-Score	r = 0.015	0.94
Stiffness Sub-Score	r = 0.153	0.44
Function Sub-Score	r = 0.087	0.66
Patient assessment questionnaire
Severity of pain	r = −0.197	0.31
Frequency of pain	ρ = −0.150	0.45
Frequency of limp	ρ = −0.269	0.17
Difficulty with socks and shoes	ρ = 0.229	0.24
Difficulty with personal care	ρ = −0.086	0.66
Ability to perform household activities	ρ = −0.055	0.78
Difficulty getting in or out of a car	ρ = −0.005	0.98
Use of assistive devices	ρ = −0.149	0.45
Walking distance	ρ = 0.175	0.37
Degree to which hip affects performance	ρ = 0.022	0.91
Degree to which hip influences social activity	ρ = −0.110	0.58
Degree to which hip affects well-being	ρ = −0.169	0.39
Overall patient satisfaction	r = 0.207	0.29