Table 2

Mean change (with 95% confidence intervals) in global WOMAC pain scores, visual analogue scores for pain on walking and stairs and global WOMAC physical function scores; with corresponding between group differences and 95% confidence intervals (^*p between group difference, unpaired t test)

		Exercise group			Control group
		Mean change	95% CI		% change	Mean change	95% CI	% change	Mean difference	95% CI	^*p Value
Global pain score	−1.45	−2.04, −0.86	−22.5	0.42	−1.09, 0.25	−6.2	−1.04	−1.94, −0.14	0.02
VAS walking	−6.64	−10.97, −2.31	−20.9	0.43	−3.88, 4.74	1.5	−7.07	−13.40, −0.74	0.03
VAS stairs	−9.08	−15.33, −2.84	−18.6	1.34	−3.90, 6.60	3.0	−10.43	−19.15, −1.71	0.02
Physical function score	−3.55	−5.34, −1.75	−17.4	−0.01	−1.75, 1.72	0.1	−3.53	−6.13, −0.93	0.01