title: Was the Effect of Obesity on the Relative Risk of Replacement Surgery in Knee Osteoarthritis Patients Overestimated? Comment on the Article by Leyland et al.
authors.affiliation: Xiangya Hospital, Changsha, China.
authors.forename: Tuo
authors.initials: T
authors.lastname: Yang
authors.affiliation: Xiangya Hospital, Changsha, China.
authors.forename: Chao
authors.initials: C
authors.lastname: Zeng
authors.affiliation: Xiangya Hospital, Changsha, China.
authors.forename: Guang-Hua
authors.initials: GH
authors.lastname: Lei
mesh_terms: D019645:Arthroplasty, Replacement, Knee; D006801:Humans; D009765:Obesity; D020370:Osteoarthritis, Knee / Q000601:surgery*; D012306:Risk