Lipid; mean (±SD)	Arthritis No	Arthritis Yes	aCCP negative	aCCP positive
	n=232	n=116	n=117	n=231
TC, mmol/L	5.40±1.15	5.19±1.12	5.60±1.23*	5.20±1.07*
HDLc, mmol/L	0.95±0.31^†	0.87±0.28^†	0.96±0.34	0.90±0.28
LDLc, mmol/L	3.78±1.04	3.68±1.05	3.90±1.12	3.67±1.017
Triglycerides, mmol/L^‡	1.28 (0.9-1.9)	1.33 (1.0-1.8)	1.4 (0.9-2.0)	1.3 (0.9-1.8)
ApoA1, mg/L	1.70±0.36^†	1.62±0.32^†	1.71±0.37	1.65±0.34
ApoB, mg/L	0.83±0.23	0.81±0.23	0.85±0.22	0.81±0.23

*p<0.05 CCP negative vs. CCP positive; ^†p<0.05 arthritis yes vs. arthritis no; ^‡median (IQR).