There was no significant difference in WOMAC PF between the ET ( n = 66 ) and ET+MT ( n = 65 ) groups at 9 weeks ( mean difference , .09 ; 95 % confidence interval [ CI ] -2.93 to 3.11 ) or 18 weeks ( mean difference , .42 ; 95 % CI , -4.41 to 5.25 ) , or between other outcomes , except patient satisfaction with outcomes , which was higher in the ET+MT group ( P = .02 ) .
