Scattergrams showing correlations of HDL-C and ApoA1 levels in serum
(A and B) and SF (C and
D) with symptomatic severity assessed by WOMAC scores
in OA patients. HDL-C, high-density lipoprotein cholesterol; ApoA1,
apolipoprotein A1; SF, synovial fluid; WOMAC, Western Ontario McMaster
University Osteoarthritis Index; OA, osteoarthritis.