Question: In patients having knee arthroplasty, is computer-assisted
knee arthroplasty (CAKA) more effective than a conventional jig-based
technique?Design: Randomized (allocation concealed), blinded (outcome assessor
and statistician), controlled trial with 6-week follow-up.Setting: A hospital in Perth, Western Australia, Australia.Patients: 71 patients who were scheduled for total knee
arthroplasty, were medically fit for surgery, and had no active infection or
malignant disease. Follow-up was 100%.