Research Article

The Expression of Osteopontin and Wnt5a in Articular Cartilage of Patients with Knee Osteoarthritis and Its Correlation with Disease Severity

Table 1

Average grey value levels of OPN and Wnt5a in OA and control group (mean ± SD).

GroupSample ()OPN valueWnt5a value

Normal13165.78 ± 7.12163.58 ± 10.68
Minor OA18152.11 ± 9.92157.03 ± 5.76
Moderate OA17144.24 ± 12.78140.92 ± 11.43
Severe OA12107.76 ± 11.36106.50 ± 17.65

, versus normal group; , versus minor group; , versus moderate group; , versus normal group; OPN: osteopontin.