Table 1: Grades of Picrosirius Red Staining

Normal 12F Normal 39F Normal 43M OA 42M OA 49F OA 54F OA 55M OA 58F OA 65F OA 66F OA 70F
GradeT 2 2 2 0 0 1 0 0 0 2 1
GradeH 2 2 2 0 0 0 0 1 0 1 1

GradeT – Transverse section grade; GradeL – Horizontal section grade; Ages are listed in years; M = male, F = female. The difference of the staining grades between OA group and normal control group was statistically significant (p = 0.011).