Table 1

Characteristics of the study sample

Characteristics
n
Mean
Frequency (percentage)
Range

Age (years)
213
66.6
-
47–93
Sex (women)
213
-
40.8
-
Bone mass index
213
31.4
-
21.5–55.9
K-L ≥ 2
212
-
75.0
0–4

K-L, Kellgren-Lawrence score.

Kalichman et al. Arthritis Research & Therapy 2007 9:R26   doi:10.1186/ar2138

Open Data