Table 2.

Patient characteristics at inclusion

	PG group	Control group
No. of patients	50	52
No. of males	13 (26%)	11 (21%)
Age, mean (SD)	77 (4.4)	78 (5.1)
Length in cm, mean (SD)	168 (9.1)	168 (8.1)
Weight in kg, mean (SD)	83 (16)	79 (12)
Platelet count in 109/L, mean (SD)	253 (63)	273 (64)
Hb in mmol/L, mean (SD)	8.6 (0.9)	8.5 (0.7)
Right side	29 (58%)	30 (59%)
WOMAC score, median (range)	49 (8–78)	43 (14–74)
Pain at rest, median (range)	3 (1–5)	3 (1–5)
Pain during activity, median (range)	4 (1–5)	4 (1–5)