Table 1

Participant demographics


Healthy subjects N = 601
Osteoarthritis subjects N = 132

Age in years, mean (standard deviation)
56.1 (7.3)
63.1 (10.5)
Females, number (percentage)
448 (64.5%)
72 (54.5%)
Repeat imaging for research purposes, number (percentage)
85 (14.1%)
123 (93.1%)

Grainger et al. Arthritis Research & Therapy 2008 10:R18   doi:10.1186/ar2371