Womac and Late Life Disability Index Important Improvement and Acceptable Symptom State in Knee Replacement. (April 2017) - Davis, A.M.; Ibrahim, S.; Hogg-Johnson, S.; Wong, R.; Beaton, D.; Chesworth, B.; Gandhi, R.; Mahomed, N.; Perruccio, A.; Rajgopal, V.; Waddell, J.P.