Table IV.

Pain and US measures in control and SROA participants at baseline and 3 months

	Controls N = 57		P	SROA N = 45		P
	Baseline	3 months		Baseline	3 months
Pain VAS (mm)	3.1 (5.6)	5.8 (13.6)	0.33	52.5 (23.0)	54.0 (25.5)	0.65
Effusion (mm)	2.3 (2.4)	2.2 (2.4)	0.80	8.6 (4.6)	8.6 (4.9)	0.96
Synovial hypertrophy (mm)	0.6 (1.5)	0.7 (1.9)	0.67	7.1 (4.0)	5.7 (4.3)	0.003*
Popliteal cysts (mm) Median (range)	0 (0–11.6)	0 (0–12.4)	0.53	0 (0–14.3)	1.15 (0–13.4)	0.45

Data represent mean (SD) unless stated.

P value represents significant difference between the baseline and 3 months using paired t test for normally distributed and Wilcoxon signed rank test for non-normally distributed data. *difference is significant at <0.05.

SROA, symptomatic OA.