Table 2. Pre and post mean values of VAS and WOMAC with % improvement.

Outcomes	Mean ± SD (Pre)	Mean ± SD (Post)	Improvement	% Improvement
VAS (cm)	5.8 ± 2.2	2.7 ± 2.1	3.0 ± 2.4*	52%
WPS	8.3 ± 4.6	4.9 ± 4.1	3.5 ± 3.6*	42%
WSS	3.0 ± 2.1	1.5 ± 2.0	1.5 ± 1.8*	50%
WFS	25.9 ± 14.5	15.1 ± 12.9	10.8 ± 9.9*	42%
TWS (%)	37.5 ± 20.1	21.5 ± 18.0	16.0 ± 14.4*	43%

VAS: Visual analogue scale; WPS: WOMAC pain score; WSS: WOMAC stiffness score; WFS: WOMAC function score; TWS: total WOMAC score, *Significant difference at p<0.05.