Long term evaluation of disease progression through the quantitative magnetic resonance imaging of symptomatic knee osteoarthritis patients: correlation with clinical symptoms and radiographic changes

Table 7 Changes in clinical parameters associated with medial compartment cartilage volume loss at 24 months: multivariate linear regression

Baseline parameter	Regression coefficient (beta)	T value	P value
Pain	-0.45	-2.13	0.03
Stiffness	0.03	0.21	0.82
Function	-0.11	-0.24	0.81
Total WOMAC	0.52	0.88	0.37
Patient global	-0.04	0.11	0.66
SF-36 physical component	0.22	2.08	0.04

Variables also included in the model: age, gender, body mass index, Western Ontario McMaster Osteoarthritis Index (WOMAC) pain at baseline.

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