. 2009 Jul 3;38(12):1147–1151. doi: 10.1007/s00256-009-0741-7

Table 1.

Patient characteristics

	Normal reference population	OA population
Number of patients	27	42
Age, years, median (range)	59 (44–75)	58 (46–75)
Female sex (%)	20 (74)	35 (83)
Body mass index (kg/m²), median (range)	25 (20–32)	27 (21–35)
Vessel wall thickness (mm), median (range)	0.96 (0.71–1.10)	1.09 (0.96–1.62)
Hip–waist ratio, median (range)	1.20 (0.95–1.44)	1.17 (1.03–1.37)
Generalized OA, n (%)	0 (0)	42 (100)
Symptomatic knee OA, n (%)^a	0 (0)	16 (38)

OA = osteoarthritis

^aDefined as pain or stiffness on most days of the month prior to study entry, in combination with osteophytes on radiographs