. 2019 Jan 10;29(5):2616–2623. doi: 10.1007/s00330-018-5914-0

Table 1.

Descriptive statistics of the study sample. Radiographic osteoarthritis (OA) = Kellgren and Lawrence (KL) grade ≥ 2

	N = 958
Age, mean (SD) years	62.2 (8.5)
Sex, n (%)^a
Men	412 (43.0)
Women	565 (57.0)
Body mass index, mean (SD) kg/m²	28.5 (5.6)
Number (%) of knees with radiographic OA	152 (15.9)

^a12 subjects with missing value for gender