
Source: Gottlob, CA, Pellissier JM, Wixson RL, Stern SH Stulberg SD, Chang RW, "The Long-Term Cost-Effectiveness of Total Knee Arthroplasty for Osteoarthritis," AAOS Scientific Paper #114, Atlanta GA, February 23, 1996.
Graph indicates the years an average 70-year-old female patient with osteoarthritis can expect to spend in various conditions.
Years Spent in each Condition, Surgery Vs. No Surgery