. 2007 Sep 7;17(12):3073–3078. doi: 10.1007/s00330-007-0711-1

Table 1.

Patient characteristics (n = 182)

	At baseline
Age years, median (range)	59 (43–76)
Female sex, (%)	157 (80%)
Body mass index (kg/m²), median (range)	25.7 (20.2–40.0)
Symptomatic knee OA, n (%)^a	71 (39%)
Kellgren & Lawrence Score 0/1/2/3/4, No.	59/53/60/10/0
	Over 2 years
Bone marrow edema-like lesions, n (%)^b	128 (70%)
Grade 0/1/2/3^c	54/56/62/10
Cysts, n (%)^b	100 (55%)
Grade 0/1/2/3^c	82/60/37/3
	At 2 years
WOMAC Pain scores, median (range)^d	13 (0–99)
WOMAC Stiffness scores, median (range)^d	18 (0–99)
WOMAC Function scores, median (range)^d	14 (0–98)

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

^bDuring 2 years

^cMaximal grade per patient

^dn = 157