PMID: 25775728Mar 18, 2015Paper

Association between the severity of knee osteoarthritis and serum cartilage biomarker levels

Journal of the Medical Association of Thailand = Chotmaihet Thangphaet
Apiruk SangsinPrachya Kongthaweelert

Abstract

Osteoarthritis (OA) is the most common form of arthritis. However, there has been no cost-effective tool for the investigation of the severity and progression of the disease because using OA standard diagnostic methods causes cartilage damage. To evaluate the relationship between serum chondroitinsulphate WF6 (CS-WF6) and hyaluronate (HA) and the severity of knee OA according to Kellgren-Lawrence (K/L) grades of radiographic severity and minimal joint space width (JSWV). One-hundred and twenty-six patients with OA (knee) according to K/L grades were classified into four groups. The JSW of the tibiofemoraljoint were measured from standing PA radiographs. Serum CS-WF6 and HA were analyzed by the ELISA based technique. One-way analysis of variance, Bonferroni's method and Kendall's tau coefficient relation test were performed to evaluate the association of K/L grades and JSW with levels of CS-WF6 and HA, respectively. Serum CS-WF6 levels in grade 4 were significantly increased when compared with the other grades (p < 0.05). The serum HA level did not show any significant difference among the grades of severity. The serum CS-WF6 level showed a significant negative correlation with the JSW and its levels rose rapidly to the level be...Continue Reading

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