Table 4.

Difference in serum comp, piianp and hs-crp levels over 6 months in two groups

	∆comp	SD	P value	∆piianp	SD	P value	∆hs-crp	SD	P value
Mets OA	+ 32.2	126.3	0.03	+ 1.36	5.64	0.46	+ 0.25	1.29	0.27
Non Mets OA	− 53.8	121.7		+ 2.67	1.2		− 0.11	0.87

∆comp: difference in COMP levels over 6 months

∆piianp: differences in PIIANP levels over 6 months

∆hs-crp: difference in hs-CRP levels over 6 months