title: Assessing change trends over time in preoperative comorbidities and postoperative complications after total knee arthroplasty.
authors.affiliation: Department of Anesthesiology, Shanxi Province Tumor Hospital, Taiyuan and Wujiaqu People's hospital, Wujiaqu City, Xinjiang, China.
authors.forename: Yi
authors.initials: Y
authors.lastname: Liu
authors.affiliation: Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China. Electronic address: xuefushan@aliyun.com.
authors.forename: Fu-Shan
authors.initials: FS
authors.lastname: Xue
authors.affiliation: Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
authors.forename: Gao-Pu
authors.initials: GP
authors.lastname: Liu
authors.affiliation: Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
authors.forename: Chao
authors.initials: C
authors.lastname: Sun
mesh_terms: D000758:Anesthesia / Q000379:methods*; D019645:Arthroplasty, Replacement, Knee / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D009765:Obesity / Q000453:epidemiology*; D011183:Postoperative Complications / Q000453:epidemiology*