80 patients undergoing primary total knee arthroplasty (TKA) were randomized to receive either an intraoperative soft-tissue balance sensor (Group 1; n=20) or knee balance by surgeon technique only (Group 2; n=20). Outcomes of interest included pain scores, time to narcotics discontinuation, the number of narcotic pills taken, the use of aids, and the incidence of pressure-balanced knees. The resu...