Table 2: Baseline comparisons of VAS, WOMAC Pain, WOMAC stiffness and WOMAC physical activity (PA). Median (range) reported.

				P values
Outcome	HA (n=36)	PRP (n=36)	HA+PRP (n=33)		HA vs PRP	HA vs HA+PRP	PRP vs HA+PRP
VAS	7.0 (5-10)	7.5 (3-10)	7.0 (5-10)		0.2100	0.1447	0.7680
WOMAC Pain	388 (125-500)	288 (100-500)	275 (100-500)	0.0173	0.0165	0.5662
WOMAC Stiffness	75 (25-200)	125 (25-200)	125 (25-200)	0.0972	0.0582	0.5278
WOMAC PA	988 (425-1425)	913 (425-1425)	950 (450-1425)	0.1993	0.5954	0.3282