Table 3.

Whole-Organ Magnetic Resonance Imaging Score (WORMS) analysis

	Baseline (mean)	Baseline SD	1-year mean	1-year SD	p value
Cartilage	24	11.42	26.8	11.21	0.07
Marrow	4.53	4.47	5.2	4.57	0.10
Bone cysts	1	1.41	0.93	1.22	0.75
Bone attrition	1.13	1.19	1.73	1.44	0.03
Osteophytes	19.47	12.82	24.4	15.65	0.02
Menisci	2.73	2.22	2.87	2.23	0.33
Ligaments	0.13	0.35	0.13	0.35	1
Synovitis	1.73	0.88	1.13	0.51	0.01
Total	54.73	27.48	63.2	30.51	0.008

SD standard deviation